You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I have a entrepreneurship meeting at Boston this weekend. Can you please help me in reserving the ticket from DTW to BOS?

ASSISTANT: Sure, may I know your itinerary dates?

USER: I would like to travel on Feb 12 and again I will retrieve on Feb 14.

ASSISTANT: At what time do you want to travel?

USER: I am planning to return in the evening.

ASSISTANT: May I know your connection limit?

USER: I am comfort to travel in direct flight.

ASSISTANT: May I know your name?

USER: Myself Andrew Campbell.

ASSISTANT: Sorry Andrew Campbell, no direct flight is available on your route.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for reaching us.