You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Christine Lewis. Owing to an emergency, I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Sure, for that I need to know your name. Can you provide it? Please wait a while.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a reservation found this name, shall I proceed with the cancellation?

USER: Sure, you can proceed to cancel.

ASSISTANT: Your booking has been cancelled.

USER: Thank you.

ASSISTANT: Thanks for approaching us.