You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking my flight ticket from IAD to PHL?

ASSISTANT: Please provide your trip dates.

USER: My trip dates are from 08/13 to 08/15.

ASSISTANT: Do you need any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Myself Mary Baker.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 100 and flight departs at 15:00 hours and arrives at 2:00 hours, shall I book your ticket in this flight?

USER: Please book this ticket for me.

ASSISTANT: Your ticket is reserved in flight 1004.

USER: Thank you.

ASSISTANT: Thank you for choosing us.