You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Mark King.

ASSISTANT: How can I help you?

USER: I am looking for a flight from BOS to PHL, can you help me in booking the flight ticket from Boston?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my planned travel dates are Oct 15 and Oct 17.

ASSISTANT: Ok, wait a moment please.

USER: Ok, make sure that I am looking for a connecting flight under 500 price.

ASSISTANT: There is a connecting flight in AA airline with price 100, can I book it?

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

ASSISTANT: Your ticket has been booked with flight number 1014.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.