You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you at this moment?

USER: Brian Edwards here. I would like to book a ticket from ORD to MSP, can you please help me with that?

ASSISTANT: Sure, can you please share your travel dates?

USER: The travel dates are from 01/27 to 01/29.

ASSISTANT: Do you have any connection limit?

USER:  I need a flight with 1 connection limit.

ASSISTANT: May I know your class preference?

USER: No, but I would like to depart during morning time.

ASSISTANT: Ok, do you have any specific airline preference?

USER: No, thank you.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us.