You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am a singer, I have to participate in a contest at Oakland. Could you book my ticket from Chicago?

ASSISTANT: Sure, kindly mention your departure date and arrival date?

USER: My itinerary dates are Nov 16 and Nov 18.

ASSISTANT: May I know your connection limit in between journey?

USER: I need single stopover in my journey.

ASSISTANT: Can I know your name for further process?

USER: Betty King here.

ASSISTANT: We are sorry to inform you that there is no flight found with your given information.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.