You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation due to cancel of my trip with my colleagues.

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: I am Emily Miller.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I found your reservation and I have successfully cancelled it.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.