You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I planned to meet my friend in MSP, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, May I know your travelling dates?

USER: I prefer to travel on Sep 12 and Sep 14.

ASSISTANT: Do you have any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name?

USER: I am Sandra Parker.

ASSISTANT: Sorry, there are no flights found with your data.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you for your information.