You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Robert Parker from Detroit. I have to go to Las Vegas next month. Can you please book a flight ticket from DTW to LAS?

ASSISTANT: Sure, I am glad to help you. May I know your travelling dates please.

USER: Thank you for your positive response, I want to take off on 07/19 and please confirm my return ticket also on 07/21.

ASSISTANT: Just give a moment.

USER: Ok.

ASSISTANT: The flight is found with AA airline having one connection limit and airfare is 100. Shall I proceed with booking?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Your ticket has been confirmed with the flight number.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.