You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I be of your assistance?

USER: I want to cancel my reservation as my friend had already booked me a ticket in another airline. Can you help me?

ASSISTANT: Sure, can I know your name to check the reservation is available or not?

USER: I am Samantha Turner.

ASSISTANT: Wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, sorry to inform you that there is no reservation found on this name.

USER: That's alright, thanks for your assistance.

ASSISTANT: You're welcome. We're glad to serve you again.