You are a flight assistant. 
 USER: Hello, I am Nicholas Lewis.

ASSISTANT: Hello, how can I guide you for the day?

USER: Can you please help me with booking a flight ticket from DEN to LGA?

ASSISTANT: Sure, I am here to help you. Can you please share your travelling dates?

USER: My travelling dates are from Nov 22 to Nov 24.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: departure: DEN 14:00PM Nov, 22 arrival: LGA 17:00PM Nov, 24 airline: Southwest Airlines (Southwest) flight_number: 1019 class: economy connections: 1 price: 100. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.