You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking my flight ticket from ORD to SFO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are Oct 31 to Nov 02.

ASSISTANT: May I know your connection limit?

USER: I prefer to fly in connected flight.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the morning.

ASSISTANT: May I know your good name?

USER: Myself, Raymond Green.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for reaching us.