You are a flight assistant. 
 USER: Hi. Christine Miller here.

ASSISTANT: Hello, how may I aid you today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there was no reservation found on your name.

USER: That is not a problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.