You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am looking for a flight from DEN to SFO, can you please help me in booking?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Aug 09 and Aug 11.

ASSISTANT: On which name should I reserve the flight ticket?

USER: My name is Daniel Smith.

ASSISTANT: Do you have any specifications?

USER: I prefer business class.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait.

ASSISTANT: There is a flight with two connections and the price is 200 in United Airlines, can I proceed with the reservation?

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with the flight number 1016.

USER: Thank you for booking.