You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: Can you help me to book a connecting flight from BOS to EWR?

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are 08 and 10 of Jan.

ASSISTANT: Do you need a break in between your journey?

USER: Yes, I need a break.

ASSISTANT: Is there any airline preference do you have?

USER: I prefer to travel in normal cost.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel in business.

ASSISTANT: May I know your good name?

USER: I am Jonathan Martin.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight services available on your required dates.

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

ASSISTANT: Thank you for opting us.