You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to cancel my reservation, As I need to stay back in own city due to hails. Can you please cancel my flight ticket?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: Thank you for accepting my request and my name is Steven Lee.

ASSISTANT: Sorry, there is no reservation on your name in our database.

USER: Ok, that's fine. No problem with that one. Thank you for your help.

ASSISTANT: Thank you for your reaching us.