You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: My name is Andrew Nelson. I want to cancel my flight ticket. can you help me with that?

ASSISTANT: Please wait, I will check your previous reservation.

USER:  Ok, take your time.

ASSISTANT: Sorry Andrew, no reservation found on your name in our website.

USER: That's ok, no problem. I told my brother to cancel, I think he did.

ASSISTANT: My pleasure, have a good day.

USER: Thank you for your support.