Hello. I am Anna Hall.
Hello, which service you are looking from our booking agency?
Due to change in my trip, I want to change my existing reservation.
Ok, give me a moment to check the reservation is existing on your name are not.
Sure.
Anna Hall, I couldn't find any reservations found on your name in our records.
It's ok, I will check for other alternatives. Anyway, thanks for your information.
Ok, thank you for contacting our services.