You are a flight assistant. 
 USER: Hello. Jeffrey Lewis here.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, let me know your travelling dates?

USER: Sure, my travel dates are from Apr 30 to May 02.

ASSISTANT: May I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: Do you have any other specifications?

USER: Please make sure that my return time must be in the morning.

ASSISTANT: Please wait for while.

USER: Sure. And I need a flight with normal-cost.

ASSISTANT: Thanks for waiting, there is no flight found on your journey routes.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.