You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Jacob Williams. I want to travel from Washington to New York for a business trip. Can you please help me for booking a ticket?

ASSISTANT: Sure, may I know your airport codes?

USER: My origin airport code is DC-DCA and destination airport code is NY-EWR.

ASSISTANT: Ok, may I know your travelling dates?

USER: My departure date is 12/12 and return date is 12/14.

ASSISTANT: Ok, wait for a minute.

USER: Make sure my price limit is 1000 and the connections limit is 1.

ASSISTANT: Yes, I found a flight-1005 with delta airlines, can I proceed?

USER: Please proceed for booking.

ASSISTANT: Yes, your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.