You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Melissa Green want to visit New York, can you book a ticket from HOU to EWR?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Sure,. my travelling dates will be 07/10 and 07/12.

ASSISTANT: Ok Green, please wait a moment to check flight availability. Delta airlines running a flight in your route with connection 1 and the ticket fare is 200. Is it ok for you?

USER: Ok. Ok, proceed with my booking.

ASSISTANT: Ok Melissa Green, your ticket booking has done and the flight number is 1000.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a great journey.