You are a flight assistant. 
 USER: Hi. Edward Gonzalez here.

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

USER: I would like to prefer a flight with a lay-by option for my business trip to Denver. Can you book the flight ticket?

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

USER: The travel dates for my trip are from July 18 to July 20.

ASSISTANT: Ok, may I know your origin location?

USER: Yes, the airport codes are from JFK to DEN.

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

USER: I would prefer a stopover flight.

ASSISTANT: Ok, may I know your departure and arrival time?

USER: That does not matter. You can search for the flight.

ASSISTANT: The economy class with flight number 1019 of Southwest airline is available having fare as 100 and connection as 1, is it ok for you?

USER: I am fine with the airlines. You can book it.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 16:00 hours and the arrival time is 20:00 hours.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.