Hello.
user
Hello, how may I help you today?
assistant
I want to change my travel dates in my previous reservation so can you please help me with that?
user
Sure, may I know your name?
assistant
Sure, my name is Raymond Allen.
user
Wait a minute.
assistant
Ok.
user
Sorry, there was no reservation found on your name.
assistant
It's ok no problem. Thank you for your information.
user
Thank you for choosing us.
assistant