You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation because of some personal work. Can you please help me out?

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your name to check your reservation status?

USER: Thank you, my previous reservation is in the name of Lisa Lopez.

ASSISTANT: Ok, please wait for a moment I will check your complete reservation details and proceed further for your cancellation process.

USER: Sure, take your time.

ASSISTANT: Sorry Lisa, I did not find any details in my website regarding your reservation.

USER: Ok, no problem.

ASSISTANT: Thank you for connecting with us, have a wonderful day.

USER: Thank you for your information.