You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I need to visit Houston, TX - HOU from Washington, DC - IAD. Can you please book me a flight ticket?

ASSISTANT: Sure, can you please ensure your journey dates?

USER: Departure on 03/04 and return on 03/06.

ASSISTANT: May I know your good name, please?

USER: Steven Campbell is my name.

ASSISTANT: We found a flight on UA airline, with 200 price. Flight number 1011 it has 1 connection. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been booked. Thank you for your service.

USER: Thanks for booking.

ASSISTANT: Thank you.