You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Here Samuel Jones.

ASSISTANT: What can I help you at this moment?

USER: Can you please help me in flight ticket booking from ORD to EWR?

ASSISTANT: Sure Samuel Jones, I will help you with the flight ticket booking. Can I have your travel dates?

USER: My trip dates are 04/19 and return back on 04/21.

ASSISTANT: The UA airlines is providing the service in this route which is having a connection limit 1 and the ticket cost per head is 400. Is it ok for you?

USER: I am ok with the flight, you can book the ticket.

ASSISTANT: Ok, I have successfully confirmed your ticket with the flight number 1019.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: You are most welcome. Thank you for consulting us.