You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from PHL to DCA, can you help me in booking?

ASSISTANT: Sure, I am here to help you. May I know your planned trip dates?

USER: Sure, my planned travel dates are Nov 11 and Nov 13.

ASSISTANT: Do you have any connection limit preference?

USER: Please look for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, please search for the flight and reserve the ticket on the name Mark Campbell.

ASSISTANT: Thank you for sharing your details. Here I found a connecting flight with Spirit Airlines and the airfare is about 200. Shall I proceed in booking with flight 1006?

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

ASSISTANT: In an economy class your ticket is booked.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.