You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from LAS to BOS, Can you please help me for booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to travel on 09/21 to return on 09/23.

ASSISTANT: Please share your good name.

USER: Christopher Wright.

ASSISTANT: Let me know your connection limit please.

USER: I need a connecting flight.

ASSISTANT: Do you need anymore specifications?

USER: I am comfortable with business class.

ASSISTANT: Sorry, there are no flights on your required routes.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for supporting us.