You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am Larry Smith from Chicago. I would like to book a ticket to visit a new place at MSP. Can you please help me out to book a ticket from ORD?

ASSISTANT: When you are willing to travel?

USER: Thank you for your response, I want to take off on Jan 18 and book my return ticket also on Jan 20.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Let me know your connection limit?

USER: I need 1 break in between my journey.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in evening time.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Oh! It's ok no problem. Thank you for your information.