You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Justin Martin. Can you help me booking a flight ticket from HOU to BOS?

ASSISTANT: Sure, let me know your connection limit.

USER: I will start on 02/05 and return on 02/07. I need a break in my journey.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a business class.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.