Hi.
user
Hello.
assistant
I am Brian Martin here.
user
How can I help you today?
assistant
I want to reserve my ticket from DFW to IAD, can you please help me?
user
On which dates do you want to travel?
assistant
Sure, my dates of journey are from 02/22 to 02/24.
user
Ok, please wait for a moment.
assistant
Sure, I will wait.
user
I am sorry to inform you that there is no flight available at your requested dates.
assistant
Ok, no problem. Thank you for your service.
user
Thank you for choosing us.
assistant