You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I help you today?

USER: I am Stephanie Martinez and I want to book a flight ticket to attend a client meeting at TX-AUS on 05/08.

ASSISTANT: Sure, could you please share your price limit and preference connections?

USER: I need a connecting flight with in 200.

ASSISTANT: Please mention your source code and return date?

USER: I would like to board on CA-SFO and my return date will be on 05/10.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately we have a direct flight of Delta airline.

USER: Don't proceed for booking.

ASSISTANT: Ok, thanks for your interest, have a great day ahead.

USER: Thank you for kind support.