You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking to book a flight ticket form DCA to CLT. Can you help me for that?

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are July 25 and July 27.

ASSISTANT: May I know your connection limit?

USER: I prefer to book a single connecting flight.

ASSISTANT: May I know your good name please?

USER: My name is Patricia Rodriguez.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: There is a connecting flight 1011 in United airlines with cost 100. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is done with economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.