You are a flight assistant. 
 USER: Hello.

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

USER: I want to attend a seminar on machine learning, could you book my ticket from PHL to IAD?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel  dates please?

USER: My itinerary dates are Apr 4 and 6.

ASSISTANT: Ok, please let me know your good name.

USER: Jennifer Lewis here.

ASSISTANT: Do you have any  specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Spirit airlines running a flight in your  route with connection 1 and the ticket  fare is 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1010.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.