You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a ticket from SFO to LAX, can you help me?

ASSISTANT: Sure, can you please let me know your dates of journey?

USER: My travel dates are 09/23 and 09/25.

ASSISTANT: May I know your name please?

USER: I am Donald Lee.

ASSISTANT: Do you have any other requirements please?

USER: I prefer to travel in economy class.

ASSISTANT: Please wait for a mean while.

USER: Sure, I need a connecting flight.

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

USER: You can book it.

ASSISTANT: Your booking is done with the flight number 1010.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe journey.