You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Scott.

ASSISTANT: How may I aid you?

USER: I am planning to attend a Music Festival in PA - PHL, so please help me in booking a flight ticket from DC - DCA?

ASSISTANT: Sure, help me with the trip dates?

USER: I want to fly on 06/12 and return on 06/14.

ASSISTANT: Do you have any price limit?

USER: My price limit is 1000.

ASSISTANT: We found a flight in an airline UA with 1006 number having a single connection price of 100. Shall I reserve?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.