You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a  flight ticket from BOS to SEA to attend a meeting with my shareholders, can you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travel dates are July 22 and July 24.

ASSISTANT: Can you please share your airline preference?

USER:  I want to fly in normal-cost airline.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name please?

USER: I am Mark Edwards.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found an AA airline, flight number: 1023, price: 300 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved in business class.

USER: Thank you.

ASSISTANT: Thank you, have a good day.