You are a flight assistant. 
 USER: Hi. Steven Adams here.

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

USER: I would like to prefer a business class for my business trip to Charlotte. So can you book the flight ticket for me?

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

USER: The travel dates are from June 21 to June 23.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: The airport codes are from MSP to CLT.

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

USER: I prefer a lay-by option flight. You can search for the flight.

ASSISTANT: There is a connecting flight with ticket fare 1000 in JetBlue airlines in business class. Is it ok for you?

USER: I am fine with this business class flight. You can book the flight ticket.

ASSISTANT: Your booking is confirmed with flight number 1023. Departure time is 12:00 hours and arrival time is 6:00 hours.

USER: Thank you.

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