You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Carol Thompson. Can you help me in cancelling my recent reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure.

ASSISTANT: Carol Thompson, there is no reservation found under your name.

USER: No problem, thank you.

ASSISTANT: You are welcome.