You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from AUS to DCA, can you help me in booking?

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

USER: Sure, my planned travel dates are Dec 12 and Dec 14.

ASSISTANT: Do you have any connection limit preference?

USER: Please look for a connecting flight that's it for this journey.

ASSISTANT: Please help me with your name.

USER: Myself Andrew Garcia.

ASSISTANT: Here I found a connecting flight with Delta Airlines and the airfare is about 100 . Shall I proceed in booking with flight 1029?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: For an economy class your ticket is booked.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching our agency.