You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me a book a ticket from OAK to CLT?

ASSISTANT: Sure. May I know your journey dates?

USER: My travel dates are Feb 18 and Feb 20 respectively.

ASSISTANT: Can I have your name?

USER: Jason Wright here.

ASSISTANT: Let me know your connection limit.

USER: Make sure that connection limit is single.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Thank you for sharing the details.

USER: Welcome.

ASSISTANT: There were no flights available that matches your requirements.

USER: Ok. Thank you.

ASSISTANT: Thank you for choosing us.