You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Elizabeth Garcia. I am looking for a flight from OAK to DCA, can you help me in booking the flight ticket from Oakland?

ASSISTANT: Sure, I am happy to help you with that. Could you please share your trip dates?

USER: Sure, my planned travel dates are May 13 and May 15.

ASSISTANT: Ok, please tell me your airlines preference.

USER: No, I am looking for any airline preferences. I need a connecting flight.

ASSISTANT: Ok, there is a flight with the connection limit 1 and the ticket fare is 100 in the American Airlines. Can I proceed?

USER: That's fine, please proceed in booking.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1011..

USER: Thank you for your service.

ASSISTANT: You are welcome. Thank you for choosing our agency.