You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have a attend a birthday party of my friend's son, can you help me to book a flight ticket from Austin?

ASSISTANT: Sure, I am happy to help you. May I know how much you can afford for this journey?

USER: I want to spend only 200 for the flight ticket.

ASSISTANT: Ok, could you please share your journey dates to proceed further?

USER: I like to travel on 04/11 and return on 04/13.

ASSISTANT: Please help me by providing your airport codes to proceed further.

USER: My source airport is TX-AUS and my destination is NY-EWR.

ASSISTANT: Thank you, we found a flight with number 1001 and airline Southwest at a price of 100 with 1 connection. Shall I proceed with booking?

USER: Sure.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me with booking.

ASSISTANT: May I know your name please?

USER: Jessica Perez.

ASSISTANT: Thank you for reaching us, have a nice day.