You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I address you?

USER: I would like to cancel my reservation, can you please help me out with that?

ASSISTANT: Sure, We are rapturous to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Lisa Jackson here.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting, We didn't found any reservation by this name.

USER: Ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for choosing us.