You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Katherine Campbell. Can you help me in booking a ticket from ORD to MSP?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planning dates are from 06/20 to 06/22.

ASSISTANT: Do you have any connection limits?

USER: Yes, please check with 1 connecting flight.

ASSISTANT: Sure, please wait a minute. Sorry but there is no flight available with 1 connection.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: Most welcome.