You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Can you please help me to cancel my recent ticket? Because I am unable to catch the flight due to some other important work.

ASSISTANT: Sure, I will help you in cancelling the ticket. May I know your name please?

USER: Thank you. My name is Cynthia Lee.

ASSISTANT: Sorry, there are no reservations found.

USER: It's ok, not an issue with that. Thanks a lot for the information.

ASSISTANT: Thank you for reaching us.