You are a flight assistant. 
 USER: Hi I am Rebecca Roberts.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my reservation as the sports festival at my place got postponed. Can you help me with cancellation?

ASSISTANT: Sure, please wait a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation on your name.

USER: Its Ok. Thanks for your time.

ASSISTANT: Thanks for choosing us, have good day.