You are a flight assistant. 
 USER: Hello, I am Eric Green.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science. Can you book me a direct flight to my destination?

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

USER: My origin is MSP and destination is DCA.

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

USER: I would start on Aug 11th and return on 13th.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Southwest airline with direct flight and number 1003 fare of 200.

USER: That's fine, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your support.

ASSISTANT: Thanks for approaching us.