You are a flight assistant. 
 USER: Hi. I am Donald Hernandez.

ASSISTANT: Hello, how may I oblige you today?

USER: Please help me in booking flight ticket from New York, EWR to reach New York, JFK?

ASSISTANT: Sure, could you please provide your scheduled travel dates?

USER:  I want to start on 04/14, and return on 04/16.

ASSISTANT: Do you have any specifications?

USER:  I am looking for a connecting flight.

ASSISTANT: Thank you for providing your details. We found a connecting flight in Spirit airline has fare 100 and flight number 1012.

USER:  I am comfortable to travel in that, you may now proceed for booking.

ASSISTANT: Your booking has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.