You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me to cancel my recent reservation as I have some urgent work and can not make it to the trip?

ASSISTANT: Sure, may I know your name to check the details in our database?

USER: Sure, my name is James Allen.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you James Allen, no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing our service.