You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, I can help you with that.

USER: Ok.

ASSISTANT: Please allow me a moment to check the previous reservation. May I know your name please?

USER: Sure, take your own time. I am Kenneth Thomas.

ASSISTANT: Kenneth, I see that there is no reservation found under your name.

USER: It's not a problem. Thanks for checking and giving information.

ASSISTANT: You are welcome. Thank you for contacting us.