You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I assist you?

USER: Owing to an emergency, my soccer tournament got cancelled. So I had a request to you to cancel my existing reservation.

ASSISTANT: Sure, May I know your name?

USER: My name is Ronald Martin.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry,  No reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.