You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Patricia Gonzalez.

ASSISTANT: How can I assist you?

USER: I am looking for a flight from DCA to ATL, can you help me in booking the flight ticket?

ASSISTANT: Ok, may I know you travel dates to check the flights availability for those dates?

USER: Sure, my planned travel dates are 04/19 and 04/21.

ASSISTANT: There is a flight available with 1 connection limit and the airfare is 100. Can I book?

USER: Please proceed in booking with this flight.

ASSISTANT: Ok, the flight ticket is confirmed and the airlines AA.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you for availing our agency.