You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Catherine King.

ASSISTANT: How can I help you Catherine King?

USER: I had planned to go on a trip, but it was cancelled.Can you cancel my recent reservation?

ASSISTANT: Sure, wait a moment please.

USER: Sure.

ASSISTANT: Sorry to say, there is no reservation found under your name.

USER: That's Ok.

ASSISTANT: Are you planning for any other dates?

USER: Thank you for your help. No.

ASSISTANT: Ok, thank you and have a great day.