You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a ticket from EWR to DCA.

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Travelling dates are Dec, 28 and Dec, 30.

ASSISTANT: Are you comfortable with connecting flight?

USER: I prefer connecting flight.

ASSISTANT: May I know your name?

USER: My name is Jeffrey Brown.

ASSISTANT: There is a economy class flight 1012 from American Airlines, can I proceed?

USER: Please book a flight.

ASSISTANT: Your booking is done in a connecting flight.

USER: May I know ticket price?

ASSISTANT: Price is 100.

USER: Thank you.

ASSISTANT: You are welcome.