You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you for the day?

USER: I am David Rodriguez and I want to fly from EWR to JFK, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: May I know that when you want to travel?

USER: I will travel from 07/28 to 07/30.

ASSISTANT: Ok, Is there any fare limit?

USER: I am looking for a normal cost airline ticket, I can pay up to 200.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thanks for your time, we found a connecting flight with a fare of 200 in 1004 UA airline. Shall I proceed?

USER: It looks perfect to me, please proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.