You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I planned to meet my friend in ATL, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your departure and return dates of travelling?

USER: I prefer to travel on Jan 7 and Jan 9.

ASSISTANT: At what time would you like to departure and return?

USER: I am comfortable at any time.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Please wait a moment to check the flights.

USER: I prefer to travel in a business class.

ASSISTANT: We regret to inform you that, there are no business class flights are available for your journey with your requested dates of travelling.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Can I know your name for documentation purpose?

USER: I am Timothy Jackson.

ASSISTANT: Thank you for approaching us, hope you have a great day.