You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Richard Clark. Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flight found on your journey routes.

USER: No issues, thank you for your time.

ASSISTANT: Thanks for reaching us. hope to serve you again.