You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I have planned to book a flight from DCA to IAH, so please help me in booking a flight.

ASSISTANT: Sure, please share your depart and return dates.

USER: Sure, my planned dates are on Aug 2nd to 4th.

ASSISTANT: Do you have any restriction with your depart and return times?

USER: No, I don't have any preferences in that.

ASSISTANT: May I know your connection limit?

USER: I am okay with any connection.

ASSISTANT: Is there any other preference do you have?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, I am Dorothy Wright.

ASSISTANT: We have a flight with two connection between your journey, do you want to proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed in economy class of Southwest airlines flight, number 1013. Your outstanding is 100.

USER: Thank you.

ASSISTANT: Thank you for opting us.