You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please check the availability of flights in between the points from ORD to HOU?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: I have a plan to travel on June 9 and return on June 11.

ASSISTANT: Can you please share your connection limit?

USER: I need a stopover.

ASSISTANT: May I know your name please?

USER: Sure, my name is Kimberly Davis.

ASSISTANT: Is there any class preference?

USER: Yes, I prefer to travel in business class.

ASSISTANT: Do you have any other specification?

USER: No.

ASSISTANT: Kimberly Davis, there are no flights available in your route.

USER: Ok, thanks for your response.

ASSISTANT: Thank you for choosing us.