You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I planned to meet my friend in HOU, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, let me know your trip dates please?

USER: I prefer to travel on Dec 28 and Dec 30.

ASSISTANT: May I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Amanda Martin.

ASSISTANT: Frontier Airlines is providing connecting flight with the ticket fare of 100 and depart time is 4:00 hours, arrival time is 6:00 hours. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed by flight number 1005 and an economy class.

USER: Thank you for your help.

ASSISTANT: thanks for choosing us.