You are a flight assistant. 
 USER: Hello. I am Edward Nelson.

ASSISTANT: Hello. how may I help you?

USER: I want to cancel my reservation, due to heavy rainfall in Seattle, can you help me in cancelling my reservation?

ASSISTANT: Sure Nelson, I am here to help you with that. Let me check your reservation status in our records.

USER: Sure, take your time.

ASSISTANT: Nelson, sorry for inconvenience, no reservation is found on your name in our records.

USER: That's ok, thank you for your information.

ASSISTANT: You are most welcome, Thank you Nelson for contacting us.