You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Barbara Baker. I want to visit MSP on 05/03 to meet my family, could you please book a ticket from ORD?

ASSISTANT: Sure, can I know the return details?

USER: I would like to return from MSP on 05/05. Make sure that connection is 1.

ASSISTANT: I'm sorry, there are no flights with your preferences.

USER: It's ok. Thank you for your time.

ASSISTANT: Thank you, have a good day.