Like Laura said above, when you are first starting out, it takes a little bit to become established with a solid client base. It is also an extremely slow time of the year, so bookings don't happen as often as they would in the summer or during the holidays.
I was looking at your profile, and I would recommend looking at the profiles of other sitters in your area with high search rankings & many reviews to see what they may have listed or stated on their profiles that you don't.
One thing that stands out is that you don't have any badges: these are extremely easy to get, and have little cost, if any at all. All you have to do is get a background check, pass the Rover 101 course and opt into the premium insurance option Rover offers. I have found that these badges do increase your ranking on searches, and attract people to your page.
You might want more photos of your home and backyard, as those are often very important for people looking for a sitter. Do you have a fenced in backyard or play area? State & show that. The photo of you and the horse is great - you might want to move towards the front of your photos on your picture reel, it should great versatility. You might also want to remove the picture of your boyfriend without his shirt on, as it can arguably be seen as unprofessional.
You have photos with many different types of animals. Do you only watch dogs or can you also care for pigs? horses? small animals? You want to state that. While to me it is implied, not everyone has the same logic as I do, and I could be wrong if you don't take other animals.
Depending on the area you live in, you may also want to consider pet sitting in other people's homes or traveling to do dog walking services, too. This is especially more popular in more rural areas with farms or larger distances between houses.
Lastly, I am concerned by your statement about needing the clients so you can hurry up and make money to pay for your loans. I would watch how you word things on this website, as clients are able to see everything we write and share. While getting paid to pet sit is great, it isn't all about the money - but also about the bonds you make with the animals you watch and their parents. These are people's family, and to some of us, our kids. At the same time, I understand the urgency to pay off bills. I just wouldn't go quitting your day job any time soon, as the money isn't nearly as consistent as it could be, especially when there are plenty of people to choose from on this site.