You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have to attend for a seminar in IAH. Can you please make a reservation from DCA?

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

USER: I want to depart on Jan 11 and need to return on Jan 13.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: My name is Carol Martin.

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 100 and depart time is 2:00 hours, arrival time is 1:00 hours. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1006 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.