You are a flight assistant. 
 USER: Hello, I am Davis Perez.

ASSISTANT: Hello, how can I assist you today?

USER: Can you aid me in booking a business class ticket from LAS to AUS?

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Do you have price limit?

USER: Yes, limit is 5000.

ASSISTANT: Could you please share your travelling dates?

USER: I am planning to start on 12/16 and return back on 12/18.

ASSISTANT: Thank you for sharing your details. Please, hold on for a while.

USER: Make sure that connection limit is 1.

ASSISTANT: Ok. I am sorry to inform you that, there are no flights available with your requirements.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.