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

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking my flight ticket from AUS to DCA?

ASSISTANT: Sure, kindly share your travel dates.

USER: My trip dates will be Nov 21 to Nov 23.

ASSISTANT: Do you have any connection preference?

USER: Yes, I prefer a halt.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 200 and single connection.

USER: You can proceed.

ASSISTANT: Shall I proceed with booking?

USER: Sure.

ASSISTANT: Your booking is done and flight number is 1002.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.