You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Please help me to book a flight ticket from PHL to IAD.

ASSISTANT: Sure, I will assist you with that. Can you please mention your preferable travel dates?

USER: My journey dates are from Mar, 21 to Mar, 23.

ASSISTANT: May I know your name for further process?

USER: Andrew King.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any another specifications?

USER: I need  a single connecting flight.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: JetBlue airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1002.

USER: Thank you.

ASSISTANT: You are welcome Andrew King.