You are a flight assistant. 
 USER: Hello. I am Brenda Nelson.

ASSISTANT: Hello, how can I aid you?

USER: Can you please book a ticket for me as I am planning to enjoy my holidays at Washington, DCA?

ASSISTANT: Ok, may I know your travel dates?

USER: Journey dates are 01/05 to 01/07.

ASSISTANT: Help me with your source point.

USER: Source code is Dallas, DFW.

ASSISTANT:  Do you have any preference?

USER: I need a stopover in between my journey.

ASSISTANT: We found a connecting flight Delta with flight number 1009 and fare is 700. Shall I proceed?

USER: You can proceed.

ASSISTANT:  Your booking is confirmed.

USER: Thank you.

ASSISTANT:  Thank you for availing us.