You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Kevin Allen want to cancel my reservation as my meeting got cancelled, can you please help me?

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

USER: Thank you.

ASSISTANT: Sorry, there are no reservations found.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.