You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book a flight ticket from HOU to ORD?

ASSISTANT: Sure, may I know your planning dates?

USER: I have planned to travel on Oct 29 and return back on Oct 31.

ASSISTANT: Can you share me your connection limit?

USER: I need a direct flight.

ASSISTANT: May I know your good name?

USER: My name is Karen Hernandez.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.