You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Gregory Thomas. Can you please help me in my flight ticket cancellation that I have a event that I am going to participate in the same date?

ASSISTANT: Sure, I will help you in cancelling the ticket.

USER: Thank you.

ASSISTANT: Please wait a moment. I will check for the status.

USER: Sure.

ASSISTANT: Sorry, there are no reservations found.

USER: Ok, I think it is not booked properly. Thank you for your service in helping.

ASSISTANT: Thank you for reaching us.