You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you to day?

USER: I need to attend a party at Washington, can you please help me in booking a flight ticket from EWR to DCA?

ASSISTANT: Sure, on which dates would you like to travel?

USER: Sure, my travel dates are from Dec 14 to Dec 16.

ASSISTANT: Is there any airline preference?

USER: I would prefer normal-cost airlines.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know on what name should I reserve a ticket?

USER: Myself Patricia Turner.

ASSISTANT: Are you comfortable to travel in economy class?

USER: Yes, I am comfortable with any class.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, take your time.

ASSISTANT: We found a direct flight in Delta Airlines with flight number 1002 having an economy class. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.