You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Justin Baker here. I would like to reserve my ticket from DTW to BOS. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travel dates to proceed further?

USER: My travel dates are 01/02 and 01/04.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, no problem. Anyway, thank you for the information.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your service.