You are a flight assistant. 
 USER: Hello, Stephanie Carter here.

ASSISTANT: Hello Carter, welcome to Global flight booking agency. How can I help you today?

USER: I need to cancel my reservation, as my friends have already booked my ticket in another airlines, I was not aware of this thing, so can you please help me to cancel my ticket?

ASSISTANT: Ok Carter, just wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in our records.

USER: It's alright, no problem. I think the ticket is not reserve properly while I am booking.

ASSISTANT: Yes, may be.

USER: Anyway, thank you for the information.

ASSISTANT: My pleasure.