You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Dorothy Smith. I would like to attend a seminar on social issues in pioneer plaza at Houston. Can you book me a less expensive flight within price 1000 to reach there?

ASSISTANT: Sure, can you please share your airport locations?

USER: Sure, my source is Washington, DCA and destination is HOU.

ASSISTANT: May I know when you are willing to travel?

USER: My travelling dates are on 07/17 and 07/19.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of Frontier airline, flight number-1023 and fare is 300.

USER: You can proceed.

ASSISTANT: Shall I proceed with the booking?

USER: Yes, please.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.