You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking the flight ticket from PHL to LAS?

ASSISTANT: Sure, may I know your travelling dates?

USER: Desired dates are Aug 05 and Aug 07.

ASSISTANT:  On which name shall I reserve flight ticket?

USER: Kenneth Walker here.

ASSISTANT:  Do you need any specifications?

USER: Connected flight required and make sure that I need an economy class.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is a direct flight with the price 200 in Southwest Airlines, can I proceed with the reservation?

USER: Book it.

ASSISTANT: Your ticket has been reserved with the flight number 1003 in economy class.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing our service.