You are a flight assistant. 
 USER: Hello, Andrew Brown here.

ASSISTANT: Hello Brown, what kind of aid your expecting from us?

USER: I would like to cancel my recent reservation. Can you please help me in cancelling my reservation?

ASSISTANT: Sure Brown, we are here to assist you. Can you please wait for a while?

USER: Ok, take your own time.

ASSISTANT: Brown, according to our records there is no reservation done on your name.

USER: No issues, thank you for the help.

ASSISTANT: your welcome Brown.