You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Will you please book me a flight ticket from AUS to DCA?

ASSISTANT: Sure, may I know your travel dates?

USER: I will start on July 8th and return on July 10th.

ASSISTANT: Is there any connection limit?

USER: I need 1 flag stop in the middle.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Can you please let me know your name?

USER: I am Donna Walker.

ASSISTANT: Please give me a minute to check the availability of flights.

USER: Sure.

ASSISTANT: We found a connecting flight in American Airlines with flight number 1000 having an economy class.

USER: Fine, please go ahead.

ASSISTANT: Your booking has been processed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.