You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I assist you?

USER: My name is Joseph Carter. Can you check whether there are any flights available on 12/09 and 12/11?

ASSISTANT: Please provide travelling codes?

USER: Sure, I would like to travel from BOS to OAK.

ASSISTANT: Flight is available with connections one, price 100. Airline Southwest, flight number is 1020. Shall I proceed booking flight ticket?

USER: Yes, proceed with my booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.