You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me to book a flight ticket from BOS to ORD?

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

USER: My travelling dates are 06 to 08 of Nov.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer to travel in business class.

ASSISTANT: May I know your good name?

USER: I am Ashley Davis.

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

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for reaching us.