You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Wilson.

ASSISTANT: How may I assist yo now?

USER: I would like to book a ticket from ATL to MSP, can you please help me out?

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

USER: I am travelling on these dates Dec 23rd and 25th.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I prefer return time in the afternoon.

ASSISTANT: Do you have any connection limit.

USER: I need a connected flight.

ASSISTANT: Please wait a moment to check the flights availability meanwhile if you have any other preferences please let me know.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flights found on your route with your requested dates of travelling.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for using our services.