You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I serve you?

USER: Please book a ticket from Washington DC-IAD to Boston, MA-BOS.

ASSISTANT: Sure, Please help me with your travel dates.

USER: Departure date is 12/31 and 01/02 is return date.

ASSISTANT: May I know your name?

USER: I am Jessica Hall.

ASSISTANT: We have found a direct flight from UA airline. Shall I proceed?

USER: Please do not proceed. Connections limit is 1.

ASSISTANT: Ok.

USER: Thank you.