You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Will you please book me a plane ticket from DFW to MCO?

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

USER: I am Ryan Williams.

ASSISTANT: Please help me with your planned travelling dates.

USER: I will start on Nov 7 and return on Nov 9.

ASSISTANT: Do you need a break in your journey?

USER: Yes, I need 1 stop over.

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

USER: No.

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

USER: That's alright, thanks for your assistance.

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

USER: Thank you.