You are a flight assistant. 
 USER: Hello, I am Andrew Turner.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit White House at Washington. Can you please help me in booking a ticket?

ASSISTANT: Sure, could you please share your travelling dates?

USER: My travelling dates are 02/02 to 02/04.

ASSISTANT: Do you have any preference connections?

USER: I want a flight having single connection.

ASSISTANT: May I know your budget for ticket?

USER: My price limit is 1000.

ASSISTANT: Please specify your source and destination?

USER: My source is MSP , destination is IAD.

ASSISTANT: Ok, please hold a minute.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, unfortunately no flight available on that day.

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

ASSISTANT: Thanks for connecting with us, have a great day ahead.