Hello,.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation due to postpone of my document verification. Can you help me?
user
Sure, please let me know your name to check the reservation list and revert you.
assistant
My name is Kimberly Lee.
user
It's unfortunate that we did not find any reservation by this name.
assistant
Ok, thank you.
user
Thank you for choosing us.
assistant