You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Please reserve me a flight ticket from DCA to PHL.

ASSISTANT: Sure, I am here to help you. Please let me know your travelling dates.

USER: My travel dates are Nov 28 and Nov 30.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Can I have your good name?

USER: I am Alexander Hill.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 300 and depart time is 2:00 hours, arrival time is 16:00 hours. Shall I proceed?

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

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1013.

USER: Thank you.

ASSISTANT: Thank you for choosing us.