You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Am I speaking to flight travelling agency?

ASSISTANT: Yes, I am the one who used to book a flight tickets and also some more services like change and cancelling your flight ticket.

USER: That's nice, I think my problem can be solved in quick manner with your help.

ASSISTANT: Yes, I will definitely try to solve your problem.

USER: Thank you for accepting my request.

ASSISTANT: Which type of problem that you are willing to solve from our agency?

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

ASSISTANT: Sure, I will help you. In order to find your reservation status about the booking which you have mention, can you please provide your previous booking name?

USER: Sure, I have reserved the ticket on the name Richard Lopez and you can check with this name.

ASSISTANT: Ok, noted. Please wait for a moment to check the previous reservation details in our ticket booking list.

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

ASSISTANT: I regret to say this, I can not find any previous reservation status under the name which you have mentioned in our reservation list.

USER: I have cancelled the ticket a way before and I got a confirmation message of my ticket cancellation. As my phone got reset all the messages got deleted and I could not recognise that my ticket got cancelled or not. That's why I have approached you to recheck my ticket cancellation.

ASSISTANT: Not an issue, it's my duty to confirm you about your reservation status. Anyway thank you for reaching us.

USER: You are most welcome.