You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, can I know your name?

USER: Sure, my name is Anna Thompson.

ASSISTANT: Please give me a minute.

USER: Ok.

ASSISTANT: Anna, there is no reservation available on your name.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: You are welcome.