You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Timothy Parker, would it be possible to cancel my reservation?

ASSISTANT: Sure, I am here to help you, please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: Sorry, I could not find any reservation with your name.

USER: It's ok, thanks for your time and information.

ASSISTANT: My pleasure.