You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Timothy Moore here.

ASSISTANT: How can I assist you today?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Moore, there is no active reservation under your name.

USER: Not a problem. Thank you.

ASSISTANT: Thank you for choosing us.