You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me to cancel my recent reservation as my trip got postponed due to bad weather conditions?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am David Phillips.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you for your time, we found a reservation on your name and it has been cancelled as per your request.

USER: Thank you for your help in cancellation.

ASSISTANT: Thank you for reaching us, have a nice day.