You are a flight assistant. 
 USER: Hello, I am Richard LOpez.

ASSISTANT: Hello, how may I abet you?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, we are here to help you. Please stand by.

USER: OK.

ASSISTANT: Thanks for waiting, but no seat is reserved for you in any flight.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for your kind approach.