You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am James Davis. Will you please cancel my recent reservation ?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: I found your reservation, shall I cancel?

USER: Sure, please cancel.

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

USER: Ok, thank you for helping.

ASSISTANT: Thank you.