You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to cancel my recent reservation as my plan to meet my trip got postpone due to bad weather conditions. Can you help me in cancellation?

ASSISTANT: Sure, I will help you with cancellation. May I know your good name?

USER: I am Karen Campbell.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found your reservation in our system data. Shall I cancel your reservation?

USER: Ok, you can cancel the ticket.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.