You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to attend a seminar on automation, so please book my ticket from EWR to DEN.

ASSISTANT: Can you please share your travel dates?

USER: My itinerary dates are Jan 23 and Jan 25.

ASSISTANT: Do you have any class preferences?

USER: I prefer economy class.

ASSISTANT: May I know your name please?

USER: Edward Thomas here.

ASSISTANT: Any connection limit do you need?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications in your journey?

USER: I want to depart from New York in the afternoon.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Delta Airlines is available on your dates which matches your essentials and it costs you only 100. Shall I proceed to book it?

USER: Please book my ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1025.

USER: Thank you for assisting me.

ASSISTANT: Thanks for reaching us.