Hello, I am Brenda Harris.
user
Hello, how can I help you today?
assistant
I want to attend my nephew's birthday party at Denver, CO - DEN. Can you help me in booking a flight ticket within the price of 500?
user
Sure, please mention your travel dates.
assistant
I want to fly on 01/01 and intend to return on 01/03.
user
Please let me know your boarding airport.
assistant
My source is from San Francisco, CA - SFO.
user
Please give me a minute, I will check with the availability of the flight.
assistant
Sure, take your time.
user
Sorry for the inconvenience, there are no flights on your requested dates.
assistant
That's alright, not an issue.
user
Thanks for choosing us.
assistant
Thank you for your information.
user