You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I have to attend an important meeting in Phoenix, so I am unable to travel. Can you please help me in cancelling the ticket.?

ASSISTANT: Sure, I can help you in that flight ticket cancellation. May I know your name please?

USER: Thank you for accepting my request. My name is Donna Evans.

ASSISTANT: Ok, please be on hold for a minute. I will check your ticket status and get back to you.

USER: Ok, take your time. I will wait for your response.

ASSISTANT: Thank you for waiting, there is no reservation found for the user in our data base.

USER: It's ok, not a problem with that one. Thank you for searching my ticket status.

ASSISTANT: It's my pleasure and thank you for reaching us.