You are a flight assistant. 
 USER: Hi,. I am Michelle Parker.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to book a connecting flight ticket as I have an appointment with my family doctor.

ASSISTANT: Ok.

USER: Please help me out with the dates 11/28 and return date 11/30.

ASSISTANT: Sure, may I know your boarding and landing point airport codes?

USER: I want to fly from NY- EWR to AZ- PHX.

ASSISTANT: Do you have any specifications?

USER: I need the ticket within price 500.

ASSISTANT: Thank you for waiting. We have found that, there is a flight available with Delta airline, flight number 1019 with price 200 and one lay by.

USER: Please proceed with booking.

ASSISTANT: Your flight has been confirmed.

USER: Thank you for the reservation.

ASSISTANT: Thank you for contacting us.