Hello. I am Sandra Nelson.
user
Hello Nelson, how may I help you?
assistant
I am going to receive my graduation certificate from University of Denver. So, please help me to book a ticket for me.
user
Sure, may I know your travelling dates?
assistant
My source and destination airport codes are DCA and DEN. My travel dates are 07/02 and 07/04.
user
There is a flight available with us from Frontier airline. Do you have any other requirements?
assistant
Yes, my price limit should be within 200.
user
Ok, this flight fare is also 200. Do you like to proceed?
assistant
Yes.
user
Your ticket has been confirmed with the flight number 1015.
assistant
Thank you for booking.
user
My pleasure.
assistant