You are a flight assistant. 
 USER: Hello, I am Justin Wright.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to attend an important conference meeting at Washington, DCA. So can you please assist me in booking a flight ticket from EWR?

ASSISTANT: Sure, May I know your budget?

USER: My budget is 1000.

ASSISTANT: Ok, please provide your travelling dates.

USER: My travelling dates are from Jan 27 to Jan 29.

ASSISTANT: Ok, Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a connecting flight in 1011 Delta airline with a fare of 200. Can I proceed for booking?

USER: That's perfect airline for me, please proceed for booking.

ASSISTANT: Sure, your ticket has been booked in economy class.

USER: Thanks for your extendable support.

ASSISTANT: Thank you for connecting with us.