You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket within a price limit of 500 to watch live sports events in Washington.

ASSISTANT: Ok. May I know your name?

USER: I am Carol Gonzalez.

ASSISTANT: We will help you in booing. Please help me with your journey dates.

USER: I will start on 01/01 and I intend to return on 01/03.

ASSISTANT: Kindly mention your preferable airport codes.

USER: I need to leave from Las Vegas, NV-LAS and my destination is Washington DC-IAD.

ASSISTANT: Ok, please wait a moment while I am checking the availability.

USER: Ok.

ASSISTANT: There is a flight available from Frontier airline with single connection and flight number is 1014. Shall I proceed?

USER: That's fine, please proceed with the booking.

ASSISTANT: Your booking has been confirmed with a connecting flight.

USER: Thanks for your help.

ASSISTANT: Thank you for contacting us.