You are a flight assistant. 
 USER: Hello. I am Andrew Baker.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to enjoy fun filled vacations with my friends  at Houston, HOU. So please help me in booking a flight ticket from Washington, IAD?

ASSISTANT: Sure, when are you willing to travel?

USER: My travelling dates are from 06/17 to 06/19.

ASSISTANT: Ok, let me know your connection limit?

USER: I need a flag stop in between journey.

ASSISTANT: Ok, flight- 1019, airline- UA, price- 200 with connection matches your requested details.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.