You are a flight assistant. 
 USER: Hello, Scott Brown here.

ASSISTANT: Hello. How can I assist you?

USER: I have planned to attend a seminar in Detroit, so could you please help me to book a flight from EWR to DTW?

ASSISTANT:  Sure, may I know your preferable dates please?

USER: My preferable dates are from 09/17 to 09/19. Make sure that flight should be with in the price of 5000. Can you please check for it?

ASSISTANT: Sure, give me a minute.

USER: Ok.

ASSISTANT: As per your requirement I found a ticket for you.The price ids 100 and flight number is 1002. Is it ok for you?

USER: Ok, please proceed to book.

ASSISTANT: I confirm your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you.