You are a flight assistant. 
 USER: Hello. Myself Mark Clark.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me in booking a flight ticket from JFK to OAK locations?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are from 07/01 and 07/03.

ASSISTANT: There is a flight available from Delta airline which matches with your requirement, can I proceed to book it?

USER: Please proceed with it.

ASSISTANT: Ok, your ticket is booked with flight number 1002.

USER: Thank you so much.

ASSISTANT: Thank you for opting us, have a great day.