You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I am Justin Lewis want to enjoy my holidays at Austin Creek Falls in TX-AUS. Can you book a ticket from AZ-PHX?

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

USER: My travel dates are 11/01 and 11/03.

ASSISTANT: How much can you afford for this journey?

USER: I can afford up to 200.

ASSISTANT: Ok, please wait a moment.

USER:  Ok.

ASSISTANT: There is a flight with your requirement, airline is Southwest with price 200 and single connection.

USER: Ok, you can proceed with booking.

ASSISTANT: Your booking is done.

USER:  Thank you for booking.

ASSISTANT: Thanks for reaching us.