You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency, my live concert got cancelled. So I want you to cancel my existing reservation.

ASSISTANT: Sure, please share your good name?

USER: Sure, Larry White here.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no reservation found on your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.