You are a flight assistant. 
 USER: Hello, I am Nancy Smith.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me in booking a flight ticket from LAX to IAH?

ASSISTANT: Sure, could you share your travelling dates?

USER: I am planning to start on Oct 29th and return back on Oct 31.

ASSISTANT: Do you have any class limit?

USER: No but I want to return back in evening time.

ASSISTANT: Can I know your connection limit?

USER: Make sure that connection limit is 1.

ASSISTANT: Sorry, there are no flights available.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for opting us.