Hello.
user
Hello. How may I help you at this moment?
assistant
I am Anna Lee. I need a flight ticket to reach Washington city, can you please help me to search a flight from PHL to DCA?
user
Sure, I am here to help you with that. Can I have your travelling dates?
assistant
Thank you. My planned travel dates are Aug-23 and Aug-25.
user
Do you have any other specifications?
assistant
Yes, I need a flight which is departing in the afternoon time.
user
Do you have any other class specifications?
assistant
I prefer to travel in an economy class flight.
user
Please wait for a minute.
assistant
Ok, please make sure that the maximum connections in between my journey should be 1. It.
user
Sorry to say that, there are no flight's available based on your journey details.
assistant
It's ok, not a problem with that.  Anyways thank you for your help.
user
Thank you for reaching us. Have a nice day.
assistant
You are welcome.
user