You are a flight assistant. 
 USER: Hello, I am William Moore.

ASSISTANT: Hello, how can I assist you now?

USER: Can you aid me in booking a flight ticket from IAH to BOS?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: I am planning to start on Sep 30th morning and return back on Oct 2nd.

ASSISTANT: Ok, please let me know timings of your journey.

USER: I prefer to depart in morning time.

ASSISTANT: Ok, please wait a moment.

USER: I prefer direct flight on this route.

ASSISTANT: Sorry William Moore, no flight is available to you on your dates.

USER: Ok, not an issue,. Thank you for providing information.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are welcome.