You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you today?

USER: I am George King. I am planning to attend a food festival in Austin, could you help me in booking a flight ticket from Washington?

ASSISTANT: Sure, please specify your travel dates.

USER: I want to fly on 04/20 and return on 04/22.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are DC - DCA, TX - AUS.

ASSISTANT: Thanks for your details, we found a Spirit airline 1005 flight with one connection. Shall I proceed with booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us.