Hello.
user
Hello, how may I assist you today?
assistant
I have meeting with president at National Mall. Can you do the reservation?
user
Sure, may I know your name to proceed further?
assistant
I am Larry Brown here.
user
Could you please share your airport codes?
assistant
Airport codes are DCA-EWR.
user
Do you have any preference connections and price limit?
assistant
Price limit 500 with one connection.
user
Please assign your planned dates?
assistant
Dates are 08/10 and 08/12.
user
Ok, please wait for a while, let me check with the airlines and get back to  you.
assistant
Sure.
user
Thanks for your valuable time, sorry, unfortunately we have a direct flight of Hawaiian airline.
assistant
Please do not proceed.
user
Ok, thanks for your interest.
assistant
Thanks for the information.
user
Have a great day ahead.
assistant
Have a nice day.
user