You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Lewis.

ASSISTANT: How can I assist you at this moment?

USER: Ok, I need a flight to my weekend planned location which is DTW from BOS. Can you help?

ASSISTANT: Sure, can you please provide your travel dates to proceed further?

USER: Ok, my travel dates are 02/16 and 02/18.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Richard Lewis, there are no flight services available on this route on your provided dates.

USER: Pleased with your assistance, thank you for the information. I will book next time.

ASSISTANT: Thank you for contacting us.