You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: I need to cancel my reservation, As I need to stay back in own city due to hails on roads and heavy snow. Can you help me in cancellation?

ASSISTANT: Sure, let me know your name to cancel your reservation?

USER: John Evans, is my name.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

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

USER: Ok, no problem. Thanks for your approach.

ASSISTANT: Thanks for approaching us.