You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from DFW to ORD.

ASSISTANT: Sure, I am happy to help you. Please let me know your travelling dates.

USER: My travelling dates are from Jan, 14 to Jan, 16.

ASSISTANT: Do you prefer any break in between journey?

USER: I would prefer connecting flight.

ASSISTANT: Are there any other specifications for you?

USER: I prefer economy class.

ASSISTANT: May I know your good name?

USER: My name is Gary Mitchell.

ASSISTANT: Frontier Airlines is providing connecting flight with the ticket fare of 200 and depart time is 8:00 hours, arrival time is 10:00 hours. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1008.

USER: Thank you.

ASSISTANT: Thank you for contacting us.