You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: I want to fly from ORD-CLT. Can you check the flight availability on that root?

ASSISTANT: Sure, on which dates would like to travel?

USER: My planned travel dates are 06/22 and 06/24.

ASSISTANT: Ok, share your connection limit?

USER: I want a flight with maximum connection of 1.

ASSISTANT: Ok, do you have any class preference?

USER: I need business class only.

ASSISTANT: At what time would you like to travel?

USER:  No more, specifications please.

ASSISTANT: May I know your good name please?

USER: Sure,Jeffrey Lopez here.

ASSISTANT: There are no flights found don your requested dates. Thank you for reaching us.

USER: No issues, thank you for the information.