You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I oblige you for the day?

USER: I am Gregory Campbell. I want to cancel my reservation, due to heavy rainfall. Could you help me in cancellation?

ASSISTANT: Sure Gregory Campbell, we will help you. Please give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for picking us. Have a nice day.