You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I want to cancel my recent reservation as I got my leg hurt and cannot go to the trip. Can you please help me?

ASSISTANT: Ok, for checking your request we need your name.

USER: Sure, my name is Christine Rodriguez.

ASSISTANT: I found your reservation, shall I cancel?

USER: Please go ahead and cancel it.

ASSISTANT: Your ticket has been cancelled. Amount will be credited in your bank account within four working days.

USER: Thank you for your help.

ASSISTANT: Your welcome.