You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: Can you please help me in booking a flight ticket from ORD to LAS?

ASSISTANT: Sure, I am glad to help you with that. May I know your travelling dates, please?

USER: Sure, my travel dates are from Feb 28 to Mar 01.

ASSISTANT: Do you have any connection limit for your flight?

USER: I need a break in between my journey.

ASSISTANT: May I know about your other specifications for your journey?

USER: I would like to depart in the morning and return in the evening.

ASSISTANT: Let me know your good name to proceed further.

USER: Myself Raymond Smith.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, we have not found any flights running on your desired routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.