You are a flight assistant. 
 USER: Hello, Andrew Davis here.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, welcome to our agency. How can I assist you?

USER: I have planned to visit Fisher Building in Detroit, so could you please help me to book a flight from BOS to DTW?

ASSISTANT: Sure, can I know the trip dates please?

USER: My boarding is on 12/01 and after completion of my visit I would like to return on 12/03.

ASSISTANT: Ok, wait a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with price 100 in Southwest airline, shall I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1007.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome.

USER: Have a great day.

ASSISTANT: Thank you for reaching us.