You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Dennis Johnson.

ASSISTANT: How can I guide you at this moment?

USER: Please look for a flight to visit the New England Holocaust Memorial, can you help me over that?

ASSISTANT: Sure, can you please provide your nearest airport codes of journey?

USER: Sure, my locations are from DTW to BOS.

ASSISTANT: May I know your preferable journey dates to proceed further?

USER: Fine, trip dates are 04/05 and 04/07.

ASSISTANT: Wait a moment please.

USER: Get back with the good airline services.

ASSISTANT: UA airlines is available on this route with a ticket fare of 300 and 1 connection limit, shall I book your ticket?

USER: Make sure that price should not exceed than 200.

ASSISTANT: Dennis Johnson, there are no flight services available with your preference of ticket fare 200 on this route.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for contacting us.