Hello.
user
Hello. How may I aid you?
assistant
I am looking for a flight from DCA to IAD, can you help me in booking?
user
May I know your trip dates?
assistant
Sure, my planned travel dates are July 30 and Aug 01.
user
Do you prefer any specifications?
assistant
I mostly prefer for a normal-cost airlines.
user
May I know your name?
assistant
Myself William Martin.
user
Please wait.
assistant
Sure, I will wait for your response.
user
Thank you for waiting, sorry to inform you that unfortunately there is no flights available by the given details.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you.
assistant