You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I planned to meet my friend in BOS, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, I am here to help you with that, can I know your trip dates?

USER: I prefer to travel on Dec 31 and Jan 02.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any specifications?

USER: I would like to travel in normal cost airline.

ASSISTANT: Can I know your good name?

USER: I am Nicholas White.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.