You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your service?

USER: I want to cancel my recent reservation our family get together is postponed.

ASSISTANT: OK, could you please help me out with your name?

USER: Sure, My name is Dennis Garcia.

ASSISTANT: Please wait a moment  I will check and get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, unfortunately there is no reservation found with your name. Thanks for reaching us, have a nice day.

USER: OK, thanks for your information.