You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I need to book a flight ticket with the name Nancy Young, can you book me a ticket with price under 200?

ASSISTANT: Sure, please provide me journey dates?

USER: Ok, I would like to travel from 11/26 to 11/28.

ASSISTANT: ok, do you have any restriction on connection?

USER: Yes, I need a connection in between.

ASSISTANT: May I know your journey airport codes?

USER: Yes, my airport codes are LAS and LGA.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight for your journey with price of 200, flight number is 1022 and airline is Delta. Shall I book the flight ticket?

USER: Yes, please.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you have a nice day.