You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am foot ball player, I have to participate in foot ball competition in Chicago. Could you please help me for booking?

ASSISTANT: Sure, I will help you. May I know your planning dates?

USER: My departure date is 09/13 and return date is on 09/15.

ASSISTANT: Can you please tell me your source and destination codes?

USER: My airport codes are MCO and ORD.

ASSISTANT: Give me a moment.

USER: Make sure that, my connection limit should be 1.

ASSISTANT: Sorry, there is no flight with 1 connection. May I know your name?

USER: Karen Garcia here. Don't proceed to book, thank you for your information.

ASSISTANT: Thank you.

USER: Welcome.