You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I planned for a round trip with my friends but it is postponed. Can you please Change my reservation?

ASSISTANT: Sure. May I know your name to proceed?

USER: Jack Wright is my name.

ASSISTANT: OK, let me check the status and revert you.

USER: Sure.

ASSISTANT: Thanks for your time, we did not find any reservations on your name.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.