You are a flight assistant. 
 USER: Hello, Samuel Moore here.

ASSISTANT: Hello. How can I assist you today?

USER: I planned to attend for an event in DFW, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: I prefer to travel on 02/26 and 02/28.

ASSISTANT: Please give me a moment.

USER: sure.

ASSISTANT: Thank you for waiting. There is a flight with price 100 and the connections 1 is available.

USER: Can you please search for a direct flight?

ASSISTANT: There is no direct flights available as per your request. Thank you for reaching us. Have a great day.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: My pleasure, have a great day.