Hello.
user
Hello, how may I aid you?
assistant
As my meeting got postponed, can you please change my existing reservation to Dallas. Will you help me with this?
user
Sure, may I know your name to check your reservation status?
assistant
My name is David Brown.
user
Sorry, no reservation found on your name.
assistant
Ok, not an issue. May be something went wrong while booking the ticket previously.
user
Thank you for reaching us, have a nice day.
assistant
Anyways, thank you for providing information.
user