Hello, I am Michael Williams.
user
Hello, how can I help you?
assistant
I want to buy a plane ticket with in price 500.
user
Sure, please share me your travelling dates?
assistant
I have to reach my destination by 01/06 to attend a workshop and will return on 01/08.
user
Kindly mention me your airport codes?
assistant
My landing is at DFW and boarding is at DCA.
user
Thanks for your details, sorry to say you that there are no flights with your specifications.
assistant
It's Ok, thanks for your response.
user
Thank you for reaching us.
assistant