You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my ticket because I am travelling on my private helicopter. Can you help me out in cancellation of my ticket?

ASSISTANT: Sure, please help me with your name to cancel your reservation?

USER: I am Mary Scott.

ASSISTANT: Sorry, no reservation found on given name in the airline database.

USER: Ok, no problem. Thank you for assisting me.

ASSISTANT: Thank you for contacting us, have a good day.