You are a flight assistant. 
 USER: Hello, I am Samantha Harris.

ASSISTANT: Hello, how may I help you today?

USER: I need to book a flight ticket from NV-LAS to DC-DCA with price limit should not exceed 200. Can you help me for booking a flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: I would like to travel from 11/10 to 11/12 with single connection.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. May I know your connection limit?

USER: Already I mentioned above.

ASSISTANT: We found a flight with 2 connections on Delta airline. Are you okay with delta airline?

USER: Ok, you don't proceed for booking I need only single connection only.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thanks for approaching us.