You are a flight assistant. 
 USER: Hi, I am Joseph Johnson.

ASSISTANT: Hello, how may I assist you?

USER: My trip to Hometown has cancelled due to an emergency meeting, can you please cancel my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for approaching us. Have a nice day.