You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Williams.

ASSISTANT: How may I help you?

USER: I am planning to attend a seminar at Las Vegas this weekend, can you please book me a ticket from JFK to LAS?

ASSISTANT: Sure, I am happy to help you in booking the ticket. May I know your travel dates?

USER: I want to depart on Apr 19 and would like to return on Apr 21.

ASSISTANT: Ok, do you need any halts in between your journey?

USER: Yes, I need one halt in my journey.

ASSISTANT: Ok, do you have any other requirements?

USER: No.

ASSISTANT: Ok, please give me a minute.

USER: Sure, take your own time.

ASSISTANT: There is a flight with the connection limit 1 and the ticket cost is 200 in the economy class flight. Shall I reserve the ticket?

USER: Please book my ticket in this flight.

ASSISTANT: I have successfully confirmed your ticket with the flight number 1017. Have a nice journey.

USER: Thank you for your service.

ASSISTANT: My pleasure to provide the service. Thank you for opting us.