You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation as I have fallen sick last night. Can you help me with cancellation?

ASSISTANT: Sure, please share your good name?

USER: I am Carolyn Campbell.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a reservation on your given name, shall I cancel it?

USER: Yes, please.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.