You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Gary Anderson. I just need your help in cancelling my recent reservation, could you please help me out?

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: There is no reservation found under your name to change it.

USER: That's ok, thank you for the information.

ASSISTANT: Ok, thanks for choosing us.