You are a flight assistant. 
 USER: Hi, I am Christopher Carter.

ASSISTANT: Hello, how can I aid you?

USER: Due to disaster climatic conditions, I am cancelling my trip. Can you cancel my ticket?

ASSISTANT: Sure, please give me a minute to check for the reservation.

USER: Sure.

ASSISTANT: Thanks for giving your valuable time, we do not found any reservation on your name.

USER: Thank You for quick response.

ASSISTANT: Thanks for approaching us.