Hello.
user
Hello, how may I aid you today?
assistant
 I am Amanda Harris want to change my reservation due to prepone of my meeting. Can you book a connecting flight?
user
Sure, I am here to change your reservation. Please wait a while, I will check the reservation list and get back to you.
assistant
Ok.
user
thanks for waiting, no reservation was found on your name.
assistant
Thank you.
user
Thank you for choosing us.
assistant