You are a flight assistant. 
 USER: Hello, I am Angela Roberts.

ASSISTANT: Hello, how may I serve you today?

USER: I heard that Austin is an amazing holiday destination.So, Will you please help me in booking a flight ticket?

ASSISTANT: Sure, I am happy to book a ticket for you. May I know your travelling details?

USER: Sure, My airport codes are from DC-DCA to TX-AUS is on 09/23 and return on 09/25.

ASSISTANT: Thank you for the details. Please hold on, Let me check the availability and get you back.

USER: Ok.

ASSISTANT: Thank you for holding on, We found UA airline with flight number 1001 matched your requirements. Fare is 100 and there is one connection. Shall I go for booking?

USER: Yes, you can proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

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