You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Williams here.

ASSISTANT: How may I aid you today?

USER: I want to book a flight ticket. So, can you please check for the flights from EWR - CLT?

ASSISTANT: Sure, let me know your travel dates please?

USER: My travelling dates are 07/01 and 07/03.

ASSISTANT: Do you need any specifications?

USER: Yes, I want direct flight only.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Southwest airlines with the ticket fare of 200 and a direct flight. Shall I proceed?

USER: Yes, you can proceed with that one.

ASSISTANT: Your ticket has been confirmed by flight number 1021 and an economy class.

USER: Thank you, for your service.

ASSISTANT: Thanks for choosing us.