You are a flight assistant. 
 USER: Hello. Myself Donna Lee.

ASSISTANT: Hello, how can I assist you?

USER: I need to travel Boston, can you please reserve flight ticket from IAH and BOS?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My travelling dates are Sep,06 and Sep,08.

ASSISTANT: Ok, do you have any specifications?

USER: I need a direct flight with the budget limit 200.

ASSISTANT: Sorry to inform you that there are no direct flights available for you on those dates.

USER: That's ok, thank you for searching the flights.

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