You are a flight assistant. 
 USER: Hi, I am Kathleen Perez.

ASSISTANT: Hello, How can I amend you today?

USER: I want to exhibit my arts in National gallery of art at Washington, can you please help in reserving a flight ticket?

ASSISTANT: Sure, I will help you with that. Let me know your source point and return date?

USER: My source airport code is Austin, TX-AUS. My arrival date is 07/28.

ASSISTANT: Can you share me destination point please?

USER: My destination airport code is Washington, DC-DCA.

ASSISTANT: Can you please mention your departure date?

USER: My departure date is 07/26.

ASSISTANT: Do you need any stopover in between your journey?

USER: Yes, I need a stopover in between my journey.

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

USER: Ok.

ASSISTANT:  Thanks for your precious time. We found UA airline fare of 400. Shall I proceed for booking with single stop over flight?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with airline number 1025.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us, Have a safe journey!.