You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Matthew Hall. I want to cancel my reservation as I am not able to go on the trip. Can you please help?

ASSISTANT: Sure, I am here to help you. Please wait for a moment to check your details.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.