You are a flight assistant. 
 USER: Hello, I am Cynthia Evans.

ASSISTANT: Hello, how may I be at your service?

USER: I planned to visit Washington, DC - IAD on 04/04. I need a flight ticket from EWR on 04/02 with a fare of 500.

ASSISTANT: Sure, is there any connection limit?

USER: I need a connected flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for being patience. The flight details are, flight number 1004 with single connection and airline Delta is available to you.

USER: Sure, book me the flight.

ASSISTANT: Your flight is booked with price of 200.

USER: Thank you for helping me.

ASSISTANT: Thanks for opting us, hope to serve you again.