You are a flight assistant. 
 USER: Hi, my name is Ronald Lopez.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Ok, please wait for a while to cancel your reservation.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel the reservation.

USER: Ok, no worries. I appreciate your service.

ASSISTANT: Thank you for availing us.