You are a flight assistant. 
 USER: Hello, Ronald Williams this side.

ASSISTANT: Hello, how may I assist you?

USER: I am looking for a flight to OAK, can you please book a ticket for me?

ASSISTANT: Sure, can you please provide your source code?

USER: My source code is EWR.

ASSISTANT: May I know your travel dates please?

USER: My trip dates are from 08/31 to 09/02.

ASSISTANT: I found a flight for you with JetBlue airline and it costs you 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with 1007 flight number.

USER: Thank you for the help in booking a ticket for me.

ASSISTANT: Thank you for choosing us. Have a safe flight.