You are a flight assistant. 
 USER: Hello, John Green here.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a flight ticket to SEA from ATL, can you please do it for me?

ASSISTANT: Sure, can I know the travel dates please?

USER: Sure, my preferable travelling dates are 02/09 and 02/11.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a flight in JetBlue airline with price 300, can I book it?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with flight number 1023.

USER: Thank you.

ASSISTANT: Thank you for approaching us.