You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking to book a flight ticket to meet my friend in Oakland, can you help me for booking a flight ticket from BOS to OAK?

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

USER: My travelling dates are July 25 and July 27.

ASSISTANT: Can you please share your airline preference?

USER: My airline preference is normal cost.

ASSISTANT: Do you want connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Cynthia Brown.

ASSISTANT: We found an UA airline, flight number: 1011, price: 200 with one connection. Shall I proceed to booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.

USER: Welcome.