You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Justin Davis. Can you please reserve me a flight ticket from SEA to LAX?

ASSISTANT: Sure, I will help you. Could you share your travelling dates?

USER: My travelling dates are 03/27 and 03/29.

ASSISTANT: Let me know your specifications.

USER: Yes, I need a connecting flight. I can pay up to 5000.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.