You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: In the last month I have reserved a flight ticket on my name to travel to Philadelphia to celebrate my father birthday, butsuddenly there is an examination on the same date and our college management has informed suddenly to us. So I am unable to travel which I was planning. Can you please help me in cancelling my flight ticket?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: I will try to cancel your reservation, but we need your name to check the reservation list?

USER: Sure, myself Michael Green.

ASSISTANT: Please wait for a couple of minutes, I will check the reservation list and get back to you.

USER: Ok, I will wait.

ASSISTANT: Thanks for your time, but there is no reservation found in your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.