You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking my flight ticket from DCA to LGA?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: Thank you and my travelling dates are from 08/19 to 08/21.

ASSISTANT: May I know your max connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you need any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Myself Jason Allen.

ASSISTANT: We have a connecting flight operated by Southwest Airlines with a fare of 200. Shall I book your seat in this flight-1023?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.