Hello.
user
Hello, may I know your name please?
assistant
Sure, my name is Susan Brown.
user
How can I assist you?
assistant
I would like to visit Desert Botanical Gardens in Phoenix, AZ - PHX. Will you help me to book a flight ticket on 10/27?
user
Sure, do you have any price limit?
assistant
Yes, I should be under 5000.
user
Please provide your source code?
assistant
Sure, my source is Houston, TX - HOU.
user
When you are willing to return?
assistant
I would like to return on 10/29.
user
Sorry for the inconvenience, there were no flights found with your given preferences.
assistant
No problem, thanks for your service.
user
Thank you for availing us.
assistant