You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Ok, may I know your name to cancel your booking?

USER: I am Carol Adams.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a reservation by your name. I have cancelled it now.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.