You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am planning to attend a Sports Live Event in OAK, so please help me in booking a flight ticket from IAD?

ASSISTANT: May I know your trip dates?

USER: I want to fly on Sept 17 and return on Sept 19.

ASSISTANT: Do you need any halt in your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Sorry to inform you that, there are no flights found with your request.

USER: Not an issue. Thank you.

ASSISTANT: For documentation, may I know your name please?

USER: I am Kimberly Carter.

ASSISTANT: Thank you for choosing us.

USER: Thank you.