You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I have an unplanned meeting at my parent company, so I have changed my vacation plan. Could you please cancel my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Ok, May I know your name?

USER: Sure, my name is Amy Adams.

ASSISTANT: Please wait for a while, I will check the status and revert to you.

USER: Sure.

ASSISTANT: Thank you for your patience, There was no reservation found on your good name.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for choosing us.