You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I amend you today?

USER: I need to cancel my reservation, can you please help me with it?

ASSISTANT: May I have your name please?

USER: Yes, my name is Patrick Carter.

ASSISTANT: Please wait a moment, I will check and back to you.

USER: Ok.

ASSISTANT: We found a reservation on your given name. Shall I proceed?.

USER: Yes, please.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.