You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from LGA to ORD for my business meeting, can you please reserve a flight ticket between those locations?

ASSISTANT: Sure, can you please provide me your itinerary travel dates?

USER: Thank you for accepting my request, my boarding is on Dec 21 and please book my return ticket on Dec 23.

ASSISTANT: May I know about your connection limit?

USER: I would prefer single connection for my journey.

ASSISTANT: Are there any more preferences that you want to avail?

USER: No, I don't have any other preferences.

ASSISTANT: May I know your name please?

USER: Sure, my name is Larry Roberts.

ASSISTANT: Give me a moment.

USER: Sure, take your time.

ASSISTANT: Spirit Airlines with flight 1000 is providing service on your route with connecting flight and the cost is 100.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked where departure LGA 18:00 hours Dec 21 and arrival ORD 16:00 hours Dec 23.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.