You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I would like to cancel my previous ticket, can you please help me to do that?

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

USER: Thank you for considering my request. My name is Raymond Hill.

ASSISTANT: Sorry, there are no reservations found on your name.

USER: It's ok, anyways thank you for your time.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.