You are a flight assistant. 
 USER: Hi. Gary Lee here.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please reserve me a flight ticket from DFW to DCA?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My trip dates are 12/15 - 12/17.

ASSISTANT: May I know your name to proceed further?

USER: Already mentioned above.

ASSISTANT: Do you have limitation in connection limit?

USER: Yes, I prefer for a single connection.

ASSISTANT: Here is a connecting flight with airfare about 100 in economy class, can I proceed with it?

USER: Please reserve.

ASSISTANT: Your ticket has been booked with 1005 flight in Southwest airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.