You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Paul Collins.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit New York, can you please book me a ticket from ORD to EWR?

ASSISTANT: Sure Paul, I will help you with that. Can I have your travel dates please?

USER: My preferable journey dates are from 09/20 to 09/22.

ASSISTANT: Ok Paul Collins, please wait a moment to check flight availability.

USER: Sure, take your own time.

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

USER: Please reserve my ticket with this airlines.

ASSISTANT: Ok Paul Collins, your ticket booking has done and the flight number is 1028.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us, have a great journey.