You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: Can you please help me to book a flight ticket from Nov 11 to Nov 13?

ASSISTANT: Sure, I am here to help you with that. May I know your name, please?

USER: My name is Richard Turner.

ASSISTANT: May I know your preferable airport codes, please?

USER: My airport codes are PHX and JFK.

ASSISTANT: Is there any airline preference?

USER: My airline preference is normal-cost.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection flight.

ASSISTANT: There are no flights found on this route as per your details.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.