You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I am Gary King want to travel to TX-AUS to meet my grandparents from DC-DCA. Can you book a connecting flight?

ASSISTANT: Sure, we are here to help you. Kindly mention your travel dates.

USER: My travel dates are 01/23 and 01/25.

ASSISTANT: How much can you afford for this journey?

USER: I can afford up to 1000.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and its direct flight.

USER: Ok, you can proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thanks for reaching us.