You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Daniel Phillips want to cancel my reservation due to heavy snow storm. Can you help me in cancelling?

ASSISTANT: Sure Daniel, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER:  Ok.

ASSISTANT: Sorry Daniel Phillips, no reservation has found under your name to cancel.

USER:  Not a problem, thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.