You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: As I am scientist, I got an invitation from Oakland institute of arts to give a speech. Can you do the reservation?

ASSISTANT: Sure, may I know when you want to travel?

USER: Dates are 06/24 and 06/26.

ASSISTANT: Ok, please share your journey codes for further process.

USER: My airport codes are LAX-OAK.

ASSISTANT: May I know your name please?

USER: William Williams here.

ASSISTANT: Thank you for providing your name, we found a direct flight is that comfortable for you.

USER: Please do not proceed.

ASSISTANT: Ok, thank you for reaching us.

USER: Thank you for kind service.

ASSISTANT: We hope to serve you the best next time.