You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Linda Lewis here. I want to visit Denver zoo with my family, could you book my ticket from EWR to DEN?

ASSISTANT: Sure, can you please share your travel dates?

USER: My itinerary dates are 02/20 and 02/22.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Linda, there is a flight available with price 100 and the connection is 1 with Spirit airline. Would you like me to proceed with the booking?

USER: Please proceed.

ASSISTANT: Your booking is confirmed with 1004 flight number.

USER: Thank you.

ASSISTANT: Thank you for reaching us.