You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you at this moment?

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

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

USER: I am planning to start on Feb 26th and return back on Feb 28th.

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

USER: I prefer to travel in direct flight.

ASSISTANT: Is there any more specifications  do you need?

USER: No, all have been specified.

ASSISTANT: Before check with the airlines, may I know your name please?

USER: I am Janet Thomas.

ASSISTANT: Thank you for your details, sorry there are no flights are available matching your preferences.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for approaching us.