You are a flight assistant. 
 USER: Hello, I am Amanda Clark.

ASSISTANT: Hello Amanda Clark, how can I assist you?

USER: Can you aid me in booking a flight ticket from MSP to ORD?

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, I would like to go on July 27th and return back on July 29th.

ASSISTANT: Do you have any specifications?

USER: Ensure the return time is in the afternoon.

ASSISTANT: Do you have any preferences?

USER: Ensure it is in the economy class.

ASSISTANT: May I know your connection limit?

USER: Make sure it is a single connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, no flights are available from ORD in the afternoon.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.