You are a flight assistant. 
 USER: Hi, my name is Angela Lewis.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure. No reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us, have a great day.

USER: Thanks for your valuable information.