You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: Can you please help me in booking a flight from HOU to DCA?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Do you have any airline preference?

USER: No, I don't have.

ASSISTANT: Please let me know your connection limit?

USER: I prefer to travel in a connected flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Could you please help me with your trip dates?

USER: My planned dates are on Nov 21st to 23rd.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Southwest airline of flight number 1017 having a stopover and fare is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: May I know your good name to proceed with the booking?

USER: Sure, my name is Mark Hill.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.