You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Richard Phillips. As I have some health issue, help me in cancelling my flight ticket.

ASSISTANT: Sure, I will help you. Please stand by.

USER: Sure.

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

USER: Its ok, thank you for your assistance.

ASSISTANT: Thanks for your approach.