You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Christopher Smith here. I like to book a ticket from LAS and HOU.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are Mar 27 and Mar 29.

ASSISTANT: Do you need a halt in between your journey?

USER: I would like to travel with single connection flight and return time should be afternoon.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem, thank you for your time.

ASSISTANT: Thank you for reaching us.