You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Richard Martinez. I want to book a direct flight to Boston, BOS. Can you help me in booking with in the range of 200?

ASSISTANT: Sure, please share your journey dates.

USER: My journey dates are from 03/27 to 03/29.

ASSISTANT: Let me know your source point.

USER: I am boarding at Detroit, DTW.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there were no direct flights to your destination point.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for choosing us.