You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what  kind of help you are looking from our side?

USER: Can you please help me in booking my flight ticket from LAS to BOS?

ASSISTANT: Sure, can you please forward your journey dates?

USER: My journey dates are Dec 09 and Dec 11.

ASSISTANT: May I know your name please?

USER: Myself Raymond Young.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I need connecting flight.

ASSISTANT: Do you have any more specifications in your journey?

USER: I prefer my depart journey at afternoon time.

ASSISTANT: Sorry, we did not find any flights matching your preferences.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing our services. We hope to serve you again.