You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: As I am a scientist, I want to research on Rockets in NASA Space Center. Can you book a ticket from Austin?

ASSISTANT: Sure, we are glad to help you for booking from Austin. May I know, where do you want to go for?

USER: Sure, my destination is Houston, TX - IAH.

ASSISTANT: Please share your journey dates.

USER: My journey dates are 07/26 and 07/28.

ASSISTANT: Ok, please help me with your source airport code.

USER: I would like to start my journey from TX - AUS.

ASSISTANT: Is there any price limit of your journey?

USER: My price limit is 500.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight with a fare of 100 in 1017 Spirit airline. Ok, the booking has been done with a connected flight.

USER: Ok, Thank you for booking.

ASSISTANT: Thank you for opting us.