Hello, I am Paul Williams.
user
Hello, how can I help you?
assistant
I  am a singer want to attend the music concert in OAK on 02/30. Can you please help me with this?
user
Sure, may I know further details?
assistant
Ok, my origin is from SFO and return on 03/01 with the price limit of 5000 and with single connection.
user
Ok, please wait a moment.
assistant
Ok.
user
Thanks for waiting, no flights were found with your details.
assistant
It's ok, not an issue.
user
Thank you, for choosing us. Have a nice day.
assistant
Thank you for your helping hand.
user