You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello! tell me how can I assist you?

USER: I want to travel from MI - DTW to NY - EWR. Can you book me a flight ticket?

ASSISTANT: OK,sure can you please provide me your name?

USER: I'm Jacob Baker.

ASSISTANT: May I know your travel dates?

USER: I would like to travel from 06/21 and 06/23.

ASSISTANT: Do you have any limits with your ticket?

USER: Make sure connection limit should be 1 and price should not exceed 500.

ASSISTANT: Sorry, there are no flights found on your dates. thank you for contacting us.

USER: OK. Thank you for your help.