You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Robert Taylor here. I want to book a flight ticket from DEN to LGA. Can you help me in that?

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates are Apr 10 to Apr 12.

ASSISTANT: Can you please share your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: My return should be in the afternoon.

ASSISTANT: We found an Frontier airlines with single connection and your return time will be afternoon. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with 1028 flight number.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.