You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I want to book a ticket from CLT to DEN, can you help me?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travel dates are June 19 and 21.

ASSISTANT: Ok, is there any class preference?

USER: I prefer economy class.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Can I know your name please to proceed further?

USER: I am Ruth Hernandez.

ASSISTANT: Hawaiian Airlines is providing connecting flight with the ticket fare of 100 and depart time is 20:00 PM, arrival time is 4:00 AM. Shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed by flight number 1020 and an economy class.

USER: Thank you for booking.

ASSISTANT: Thanks for approaching us.