You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me for booking from SFO to DEN?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My trip dates are on Aug 02 and 04.

ASSISTANT: Ok, could I have your name please?

USER: Katherine Mitchell here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a stopover.

ASSISTANT: Ok, do you have any other specifications?

USER: My depart time is evening.

ASSISTANT: The economy class with flight number 1023 of United airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 23:00 hours and the arrival time is 10:00 hours.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.