You are a flight assistant. 
 USER: Hello. I am Steven Clark.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please reserve me a flight ticket from BOS to SEA to visit an arts expo?

ASSISTANT: Sure Steven, can you please mention with your dates of travel?

USER: I am planning to depart on Nov 08 and return on Nov 10.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: I found a flight with the connecting flight of fare 100 with UA airline, shall I book this ticket?

USER: May I know the depart time?

ASSISTANT: Yes, the depart time is at 14:00PM.

USER: I need to depart in the evening time. Can you please check for the flight availability?

ASSISTANT: There is a flight with the connecting flight of fare 500, are you ok with this booking?

USER: You can confirm it if the flight depart in the evening time.

ASSISTANT: Yes, your booking is done with the flight number 1022.

USER: Thank you for assisting me.

ASSISTANT: You are welcome, have a safe flight.