You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: Could you please cancel my recent reservation due to cancel of my trip?

ASSISTANT: Sure, May I know your name?

USER: My name is Thomas Hill.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for opting us.