You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to visit Chicago, can you please book me a ticket from LAS to ORD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My preferable journey dates are Jan 07 and Jan 09.

ASSISTANT: Do you have any specifications?

USER: I prefer direct flight for this trip.

ASSISTANT: Please provide me the name.

USER: My name is Shirley Lewis.

ASSISTANT: Here, I have found a flight with 0 connection and airfare is about 100. Shall I proceed in booking?

USER: Please book my ticket in this flight.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1018 in Frontier Airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.