You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hi. How can I help you?

USER: I would like to book a flight ticket.

ASSISTANT: Can you please tell me your name?

USER: My name is Daniel Brown.

ASSISTANT: May I know your journey details?

USER: Sure, My origin airport is GA-ATL and my destination airport is WA-SEA.

ASSISTANT: Please provide me your journey dates?

USER: My journey dates are from May 5 to May 7.

ASSISTANT: Please wait for sometime, I will check and get back to you.

USER: OK.

ASSISTANT: Based on your details, There is no flight.

USER: OK, Thank you for your information.

ASSISTANT: Thank you, Have a nice day.