You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you book my ticket in a direct flight?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your airport codes?

USER: I want to travel from SFO to ORD.

ASSISTANT: Can you please mention your travel dates?

USER: I want to travel on Dec 6 and Dec 8.

ASSISTANT: Do you have any specifications regarding your journey?

USER: No.

ASSISTANT: As per your data, I found a flight with United Airlines and the ticket fare is 200. Shall I proceed for this?

USER: Please proceed.

ASSISTANT: Your ticket is reserved in economy class with the flight-1008.

USER: Thank you.

ASSISTANT: For further process. May I know your name?

USER: Dorothy Brown here.

ASSISTANT: Thank you very much for contacting our agency.

USER: Welcome.