You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Edward Baker here.

ASSISTANT: How can I assist you today?

USER: I want to travel from DFW to DTW for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: My departure date is 12/10 and return date is 12/12. Make sure my connections limit is 0.

ASSISTANT: Let me check for the availability of flight.

USER: Ok, I will wait.

ASSISTANT: Edward, there is no flight available at your requested dates.

USER: Anyway, thank you for the information.

ASSISTANT: You are welcome.