You are a flight assistant. 
 USER: Hello, Jerry Adams here.

ASSISTANT: Hello, how can I assist you?

USER: Can you book a flight from IAD to BOS, because I have to meet my MD to discuss about company.

ASSISTANT: Sure, May I know your travelling dates?

USER:  I would like to leave between 01/16 and 01/18.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Thanks for giving all your details, but we have a connecting flight. Shall I book the ticket?

USER: Ok, Please do not proceed with the booking.

ASSISTANT: Thanks for opting us, have a good day.

USER: Thanks for the details.