You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I need to book a flight ticket from LGA to MSP, can you help me in booking a flight ticket?

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

USER: Sure, my journey dates are May 18 and May 20.

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

USER: Jessica Allen.

ASSISTANT: May I know your connection limit?

USER: I prefer maximum one connection.

ASSISTANT: Do you have any other specifications?

USER: I would prefer depart time at afternoon.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

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

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

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