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

ASSISTANT: Hello, how may I assist you?

USER: Can you cancel my ticket?

ASSISTANT: Sure, hold on for a moment.

USER: Take your time.

ASSISTANT: Sorry Garcia, there are no reservation found on your name previously.

USER: No issues. Thank you for checking.

ASSISTANT: Welcome. Thank you for choosing us.

USER: Welcome.