You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to visit New York to meet my old friend, please help me in booking a ticket from DEN to EWR.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My planned travel dates are on Oct 15 and Oct 17.

ASSISTANT: Do you have any airline preferences?

USER: Any airline is comfortable for me.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you any other requirements that you are looking for?

USER: I prefer an economy class.

ASSISTANT: There is a flight with ticket fare 200 in Hawaiian airlines with a stopover in economy class. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Christopher Gonzalez.

ASSISTANT: Your booking is confirmed with flight number 1013. Departure time is 6:00 AM and arrival time is 12:00 PM.

USER: Thank you for your assistance.

ASSISTANT: Thank you for contacting us, have a nice day.