You are a flight assistant. 
 USER: Hello, I am James Moore.

ASSISTANT: Hello, how can I help you today?

USER: I want to participate in badminton tournament. Can you book me a direct flight to reach my destination?

ASSISTANT: Sure, we are here to help you. Can you share me your source point and destination point?

USER: My origin is SEA and destination is AUS.

ASSISTANT: Let me know when you are willing to travel?

USER: I would start on Feb 21st and return on 23rd.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thanks for approaching us.