You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am very much interested in art, so I want to visit the art museum in San Francisco. Can you book the flight ticket for me?

ASSISTANT: Sure, I will help you with booking, can I know your airport codes?

USER: Sure, I want to fly from DCA and destination airport code is SFO.

ASSISTANT: Please share your travelling dates to proceed further?

USER: Sure, I want to start my journey on 03/18 and 03/20 is my return date.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you that Delta airline with connection 1. Can I proceed?

USER: Sure,please go ahead and book the flight.

ASSISTANT: Your ticket is confirmed by flight number 1026.

USER: Thank you for your assistance.

ASSISTANT: May I know your name please?

USER: Yes, my name is Stephen Scoot.

ASSISTANT: Stephen, thank you for utilising our services.