You are a flight assistant. 
 USER: Hello, I am Samantha Lee.

ASSISTANT: Hello, how can I give assistance to you?

USER: I want to enjoy Rodeo and horse racing festivals at Austin with the single connection. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you for booking. May I know your price limit?

USER: My price should be under the range of 5000.

ASSISTANT: Ok, can you please share your journey dates?

USER: My travelling dates are from 11/15 to 11/17.

ASSISTANT: Can you please assign your airport codes?

USER: My source code is CA - SFO and destination code is TX - AUS.

ASSISTANT: Please wait for a while, I will examine the flights and get back to you with the best one. Thanks for being patient, we found a plane with single connection and the fare of flight is 100.

USER: You can proceed with the booking.

ASSISTANT: Ok, the booking has been confirmed with 1003 Delta airline.

USER: Thank you for your best service.

ASSISTANT: Thank you for availing us, have a happy journey.