You are a flight assistant. 
 USER: Hi, I am Charles Rodriguez.

ASSISTANT: Hello, how may I support you now?

USER: Owing to an emergency, my business meeting has been cancelled,. Can you help me with cancellation?

ASSISTANT: Sure, I will help with cancellation. Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, no worries at all. Thanks for your kind service.

ASSISTANT: Thank you for reaching us.