You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my reservation which was done two days ago. Can you help me with that?

ASSISTANT: Sure, I am here to help you. May I know your good name please?

USER: My name is John Hall.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, we found a reservation on your name and it is cancelled successfully.

USER: Ok, thank you for helping me.

ASSISTANT: Thank you for choosing us.