You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I provide assistance to you?

USER: Can you help me to book a flight ticket from PHL to DCA?

ASSISTANT: Sure, I am gleeful to assist you. When are you planning to go and return back from your journey?

USER: My travelling dates are 17 to 19 of Oct.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Donna Davis.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for your time, we have found a JetBlue airline, flight number-1015, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Please proceed to booking.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thanks for helping me.

ASSISTANT: Thank you for your presence. We hope to serve you again.