You are a flight assistant. 
 USER: Hi. I am Timothy Martinez.

ASSISTANT: Hello, how may I best serve you.

USER: Due to some issues I need to cancel mu recent reservation, Can you please help me with that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thanks for your information.