Hi. I am Jerry Evans.
user
Hello, how can I help you?
assistant
 I have got an invitation from the president. So, I need to attend a political meeting in White house at Washington. Please help me with booking a flight ticket from San Francisco.
user
Sure, please share me your travelling dates?
assistant
I will start my journey on 08/11. I will return on 08/13.
user
Kindly assign me your airport codes?
assistant
My source airport code is CA - SFO. My destination is DC - DCA.
user
Do you have any specifications?
assistant
I need a halt in my journey.
user
Please wait a minute.
assistant
Sure.
user
Sorry, there are no flights with your specifications.
assistant
Not an issue.
user
Thank you for reaching us.
assistant
Thank you for your kind information.
user