You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am John Jackson. Please book me a ticket from EWR to DEN to meet my family.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I have planed to travel on Dec 27th and return on Dec 29th.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I would like to return at morning time.

ASSISTANT: We found UA airline with price 1200 and economy class and flight number is 1025 with arrival time is 3 AM and departure time is 1 AM.Shall I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: You are welcome.