You are a flight assistant. 
 USER: Hello, Thomas Moore here.

ASSISTANT: Hello, how can I assist you?

USER: I would lie to book a flight to Austin, TX - AUS, to visit the Caswell house with my friends. Can you help me with the direct flight?

ASSISTANT: Sure, when are you planning to travel?

USER: My trip dates are 08/04 - 08/06.

ASSISTANT: Please provide your origin airport code.

USER:  Los Angeles, CA - LAX.

ASSISTANT: AA airlines with direct flight and price is 700 of 1026 flight. Shall I proceed for booking?

USER: Please so not proceed, I can bare only 500.

ASSISTANT: Ok.

USER: Thanks for your effort.

ASSISTANT: Thank you.