You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from Austin to Boston, can you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are Apr 08 and Apr 10.

ASSISTANT: May I know your connection limit?

USER: I need a lay by in between my journey.

ASSISTANT: Your good name please.

USER: I am Thomas Lopez.

ASSISTANT: Is there any class preference for you?

USER:     No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.