You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to DFW from DTW, can you please help me out?

ASSISTANT: Sure, I am here to help you. Please let me know your travelling dates.

USER: Sure, my trip dates are May 27 and May 29.

ASSISTANT: Do you have any stopover in between journey?

USER: I am looking for a flight with 1 connection.

ASSISTANT: Are there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Thomas Clark.

ASSISTANT: Sorry, we are unable to provide flights on your journey routes.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.