You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Jessica Evans, I want to book a flight in economy class to visit Houston city. Can you book a connecting flight from Las Vegas?

ASSISTANT: Sure, I am glad to help you. Can you please share your travelling dates?

USER: I plan to travel on Jan 4th and return on Jan 6th.

ASSISTANT: Please specify your airport codes?

USER: Sure, source airport code is NV-LAS and destination airport code is TX-HOU.

ASSISTANT: May I know your price limit?

USER: My budget is 200 for flight ticket.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a direct flight 1015 of airline AA, class economy and fare is 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.