You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am Robert Wright. I would like to attend my brother's wedding at Atlanta, can you please help me to book my flight ticket from MSP to ATL?

ASSISTANT: Sure, can you share me your trip dates?

USER: Sure, I want to depart on Aug 10 and also please book my return ticket on Aug 12.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Can you share me your connection limit?

USER: Yes, I need single connection.

ASSISTANT: Is there any other specifications?

USER: I want to depart in the afternoon.

ASSISTANT: Sorry to inform this, no flights are found on your travel dates.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.