You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from PHL to DCA. Could you book a ticket?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: Travelling dates are July, 6 to July, 8.

ASSISTANT: Is there any connection limit for you?

USER: I would prefer connecting flight.

ASSISTANT: Are there any other specifications?

USER: I prefer business class.

ASSISTANT:  Please help me with your name for booking.

USER: My name is Donna Wilson.

ASSISTANT: American Airlines is available with the price of 600 having one connection and business class. Shall I proceed to booking?

USER: Please book a flight.

ASSISTANT: Your ticket has been reserved with the flight- 1012.

USER:  Thanks.

ASSISTANT: Thank you for reaching us.