Hi. I am Nancy Brown.
user
Hello, how can I help you?
assistant
We are planning to visit grand canyon adventure in Washington, can you please help me in making a p[lane reservation?
user
Sure, I am here to help you. Please share your travelling dates.
assistant
My travelling dates are Nov 6th and Nov 8th.
user
  Can I know your airport codes please?
assistant
My airport codes are from DTW to IAD.
user
Please share your class preference.
assistant
I am comfortable with any class.
user
Do you need any halt in between the journey?
assistant
Yes, I need a halt.
user
Please wait.
assistant
Sure.
user
Thank you for waiting, we are sorry we didn't find any flights with  your details.
assistant
Ok, not an issue. Thank you.
user
Thank you for reaching us, have a nice day.
assistant