You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, In what way shall I assist you for the day?

USER: I would like to travel from DTW to BOS as a business trip, can you do the reservation?

ASSISTANT: Sure, please share me your trip dates.

USER: My journey dates are 06/20 and 06/22.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need break in my journey.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Thomas Lopez here.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: Departure and return time should be morning.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for choosing us.