You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Thomas here.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, I will help you. Please wait a minute.

USER: Thank you. 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: Most welcome.