You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please book a ticket from Atlanta, ATL to go for site seeing at Los Angeles, LAX?

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

USER: Sure, I am Anna Rodriguez.

ASSISTANT: Please let me know with your planned travelling dates.

USER: My travelling dates are Feb 10 and Feb 12.

ASSISTANT: Do you need a break in your journey?

USER: Yes.

ASSISTANT: Please help me with your preferred class to fly.

USER: I prefer economy class.

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

USER: No.

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

USER: Ok, Thank you.

ASSISTANT: Thank you for approaching us. Have a great time.