You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to visit Minneapolis, can you please book me a ticket from CLT to MSP?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My preferable journey dates are Aug 26 and Aug 28.

ASSISTANT: On whose name I have to book the flight ticket?

USER: My name is Daniel Robinson.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight for this trip.

ASSISTANT: Any other preferences do you have?

USER: I prefer business class flight.

ASSISTANT: Please wait a moment to check the flights.

USER: Please ensure that depart flight is in the evening time.

ASSISTANT: Unfortunately there are no flights running on your route with your required preferences.

USER: Ok, not an issue. Thank you for providing information.

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