You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Let me know the travel dates?

USER: My preferable journey dates are Feb 26 and Feb 28.

ASSISTANT: Is there any connection limit?

USER: I prefer direct flight for this trip.

ASSISTANT: May I know the class preference?

USER: I would like to travel in business class flight.

ASSISTANT: Are there any airline preferences?

USER: No, thanks for asking.

ASSISTANT: Is there any time concern.

USER: No.

ASSISTANT: May I know your name please.

USER: My name is Debra Gonzalez.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Frontier Airlines with flight 1014 is providing service on your route with all the given specifications  where the cost is 700 and departure: DFW 17:00PM Feb, 26 arrival: ORD 10:00AM Feb, 28.

USER: Please book my ticket in this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.