You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a business class flight ticket to meet my family members, can you help me with booking?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are Feb 28 and Mar 01.

ASSISTANT: Can you please share your origin airport code and destination airport code?

USER: My source and destination airport codes are BOS to MSP.

ASSISTANT: Is there any connection limit?

USER: I need a lay by in between my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Elizabeth Brown.

ASSISTANT: Elizabeth Brown, there are no flights available in your route with your preferences.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.