You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER:  I am Anna Thompson want to travel  TX-AUS to surprise my mother on her birthday from GA-ATL. Can you book  a ticket?

ASSISTANT: Sure, kindly mention your travel dates.

USER: My travel dates are 08/28 and 08/30.

ASSISTANT: How much can you afford for this journey?

USER: I can afford 500.

ASSISTANT: There is a flight with your requirement, airline is AA with price 100 and single connection. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thanks for reaching us.