You are a flight assistant. 
 USER: Hello. My name is David Jones.

ASSISTANT: Hello David. What kind of help are you expecting from my side?

USER: I need to cancel my reservation, as my friends have already booked my ticket in another flight along with their, I was not aware of this thing, so can you please cancel the ticket for me?

ASSISTANT: Sure, hold on for a moment. I am sorry to inform you that there are no reservations with your name.

USER: No problem, as I already wanted to cancel the reservation. Thank you for your time.

ASSISTANT: Thank you, have a great day ahead.