Hello, I am Patrick Jones.
user
Hello, Can I help you?
assistant
In Seattle, WA - SEA, I have a  get to gather with my old friends on 02/19.
user
Please can you provide your source details?
assistant
My day of journey starts from Chicago, IL - ORD, and return on 02/21.
user
OK.Please wait for some time .
assistant
Sure.
user
Thank you for waiting. Sorry we did not found any flight matches your requirement.
assistant
OK, thanks for your information.
user
OK. Thank you for contacting us.
assistant