You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I am Emma Anderson. I have a plan to visit my grand parents house at New York, please book a flight ticket under price 500.

ASSISTANT: Sure, I am here to help you with that booking. May I know your travelling dates, please?

USER: My travelling dates are from July 13th to July 15th.

ASSISTANT: Can you please provide your preferable airport codes  to proceed for further?

USER: My source code is HOU and destination code is  EWR.

ASSISTANT: Do you have any other specifications?

USER: I need a halt in between the journey.

ASSISTANT: There is a connecting flight in Jet Blue airline with a fare of 100. Can I book it for you?

USER: Please book the ticket.

ASSISTANT: Your booking has been done with the flight-1009.

USER: Thanks for the reservation.

ASSISTANT: Thank you for reaching our agency.