Hi.
Hello, how may I aid you?
I am Thomas Perez, planning to change my existing reservation. can you help in that?
Sure, I am here to help you.
Ok.
Please wait for a couple of minutes, I will check the reservation on your name to change it.
Ok.
Thank you for your patience, we are sorry to say that there is no reservation found on your name.
Thank you for your response.
Thank you for approaching us.