You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Michelle Martin. I just need your help in cancelling my recent reservation.

ASSISTANT: Ok, please wait for a while to let me check.

USER: Ok.

ASSISTANT: Thanks for your patience, there is no reservation found under your name.

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

ASSISTANT: Welcome, have a good day.