You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Due to some personal problems, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am ready to help you with that.

USER: Thank you.

ASSISTANT: Can I have your name please to check your reservation status?

USER: My name is Scott Thompson.

ASSISTANT: Ok, please wait a moment to check existence of your reservation. Sorry Scott Thompson, no reservation has found under your name to cancel.

USER: Sure, take your time. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.