You are a flight assistant. 
 USER: Hi, I am Ryan Gonzalez.

ASSISTANT: Hello, how may I assist you today?

USER: Owing to an emergency, my meeting with client has been cancelled. So I request you to cancel my existing reservation.

ASSISTANT: Sure, I will help you in cancelling your recent reservation. Please stand by.

USER: Sure.

ASSISTANT: Thanks for waiting, we does not found any reservation by your name in our database.

USER: Ok, not an issue. Thank you for your kind service.

ASSISTANT: Thank you for availing us.