You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Can you help me to book a flight ticket from DCA to AUS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are June 05 and June 07.

ASSISTANT: Do you need any specifications?

USER: I prefer connecting flight for this trip.

ASSISTANT: May I know your name?

USER: I am Carolyn Thompson.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with one connection and the price is 100 in Southwest Airlines, can I proceed with the reservation?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket has been reserved with the flight number 1019 in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching our service.