You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Myself Andrew Carter. I'm planning to visit Washington to meet my sister, can you please help me in booking a flight ticket?

ASSISTANT: Sure Carter, I am here to help you, can you please provide me your airport codes?

USER: My airport codes are from SFO to DCA.

ASSISTANT: Ok, may I know your travelling dates?

USER: I will start my journey on 09/01 and my return will be on 09/03.

ASSISTANT: Ok, wait a while.

USER: Ok.

ASSISTANT: As per your request, I found a flight for you with 1 connection. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is booked with flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a safe journey.