You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I have to attend meeting in HOU next week, can you please book a flight ticket from DCA?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I know your name to book the flight ticket?

USER: Sure, my name is Susan Thomas.

ASSISTANT: May I know your preferable departure and return dates of travelling?

USER: I want to take off on 01/22 and confirm my return ticket also on 01/24.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Southwest airlines. Shall I proceed with this?

USER: Please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked in flight number 1029.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us, hope you have a great journey.