You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Barbara Anderson here.

ASSISTANT: How may I help 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, please allow me a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no reservation with your name to cancel further.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyways, thank you for the information.

ASSISTANT: My pleasure, have a great day.