You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: Me and my friends planned to go for a trip, but due to heavy rains in my destination place our trip has been cancelled. Can you please cancel my recent reservation?

ASSISTANT: Sure, we are gleeful to help you. May I know your name please?

USER: Sure, I am Thomas Green.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to say that no reservation was found on your name in our database.

USER: Ok. Thank you for your service.

ASSISTANT: Thank you for visiting us.