You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Andrew Johnson, I am looking to book a flight ticket from ATL to DCA to meet my friend. Can you please help me for booking?

ASSISTANT: Ok, can you please tell me your dates of journey?

USER: My travelling dates are 12/09 and 12/11.

ASSISTANT: Southwest airlines are providing service to DCA with 1 connection. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done with flight 1022.

USER: Thank you for booking.

ASSISTANT: Thank you for using our service.

USER: Welcome.