You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Justin Hill. I have to attend a cultural even at CLT, can you help me to book a flight ticket from BOS?

ASSISTANT: Sure Hill, can you please help me with your dates of journey?

USER: My trip dates are 03 and 05 of May.

ASSISTANT: May I know your airline preference please?

USER: I am comfortable with both airlines.

ASSISTANT: Can you please help me with your class preference?

USER: I am ok with any class.

ASSISTANT: There is a flight with the connecting flight of fare 200 of Southwest airline, are you ok with this booking?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no flight found which is direct for you to travel.

USER: That's ok, thank you for giving information.

ASSISTANT: You are welcome.