You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Phillips here.

ASSISTANT: 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, please wait.

USER: Sure, take your time.

ASSISTANT: There is no reservation found under your name.

USER: Oh! I think my cousin might have cancelled my reservation. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.