You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: James Gonzalez here.

ASSISTANT: James Gonzalez, how can I aid you today?

USER: I would like to attend a business meeting, can you please help out with booking of a flight ticket from ORD to MSP?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you. My departure is on Aug 27 and please book my return ticket also on Aug 29.

ASSISTANT: Ok, do you have any requirements?

USER: I would like to departure at evening time.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sure, take your time but try to bring a connecting flight for my journey.

ASSISTANT: Sorry James Gonzalez, there are no flights available on your requested dates.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: Welcome.