You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I have a plan to celebrate the flower festival in SEA, can you please help me in booking a flight ticket from LAX?

ASSISTANT: Sure, May I know the travelling dates?

USER: My travelling dates are Apr 29th and May 1st.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Is there any other requirements?

USER: I prefer to travel in business class.

ASSISTANT: May I know your name?

USER: Richard Baker.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for opting us.