Hi, I am Joseph Collins.
Hello, how can I support you today?
I would like to go for a trekking with my friends at Mount Rainier in Washington, so I need to book a flight ticket to DC - IAD. Will you help me in booking a ticket on 03/13?
Sure, may I know your planned travel dates?
My return date is 03/15.
Please share me your further journey details.
My source is Houston, TX - HOU. I need  a connecting flight.
Please wait for a moment.
Sure.
Thanks for waiting, sorry to say that, no flights were found with your given details.
Not an issue, thanks for your support.
Thank you for opting us.