You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am Donna Thomas from Washington.

ASSISTANT: Ok.

USER: I am planning to attend for my niece's marriage in Houston, so please book a connecting flight for me.

ASSISTANT: Sure, can you please help me with your travelling dates?

USER: My depart and return dates are 01/11, 01/13.

ASSISTANT: Can you please share me your journey locations?

USER: My source and destination airport codes are DC - DCA, TX - IAH.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. We found 1027 flight in Southwest airline with one connection and fare is 200.

USER: You can proceed to booking.

ASSISTANT: Shall I proceed to book?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked with your name.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.