You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to cancel my recent reservation. Can you help me?

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

USER: Thank you, I am Ryan Adams.

ASSISTANT: Sorry, there are no reservations found.

USER: That's fine, not a problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.