You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a flight ticket from HOU on Oct 24th?

ASSISTANT: Sure, I will help you. Please let me know with your name.

USER: Thank you. I am Paul Taylor.

ASSISTANT: Please help me with your arrival airport code and date.

USER: My destination airport code is LAS and I want to return back on the date of Oct 26th.

ASSISTANT: Do you need a break in your journey?

USER: I am looking for a direct flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No, thanks for asking.

ASSISTANT: Please allow me a minute.

USER: Ok, take your time.

ASSISTANT: Paul Taylor, I am really sorry to inform you that there are no flights available for your journey.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a good time!.