You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I need to book a flight ticket from DEN to EWR to enjoy music festivals.

ASSISTANT: Sure, I am happy to help you. May I know your name?

USER: Sure, Nicole Gonzalez here.

ASSISTANT: Thank you. Can you please provide me your travel dates?

USER: Sure, my journey dates are Dec 27 and Dec 29.

ASSISTANT: Ok, do you have any class preference?

USER: No.

ASSISTANT: Please wait. Let me check for the available flights.

USER: Sure, but please make sure I need a maximum 1 connection.

ASSISTANT: Flight-1012 with single connection is available in Frontier airlines and the ticket fare is 200 only. Flight departs at 18:00 hours and arrives at 17:00 hours. Is that ok for you?

USER: Yes, please proceed to book.

ASSISTANT: Your ticket is booked in economy class. Have a safe journey.

USER: Thank you for your kind service.

ASSISTANT: You are welcome and thank you for choosing us.