You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Thompson.

ASSISTANT: How may I help you?

USER: I want to cancel my recent reservation, help me in cancelling my reservation.

ASSISTANT: Sure, please hold on.

USER: Sure.

ASSISTANT: Sorry, no reservation found on given name.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.