Hello.
user
Hello.
assistant
I am Nancy Walker.
user
How may I guide  you?
assistant
I would like to fly from Dallas & Fort Worth TX-DFW, will you please avail me in booking a flight ticket to Boston MA-BOS?
user
Nancy Walker, may I know your planned dates for this journey?
assistant
My planned dates are 10/24 and 10/26.
user
Do you have any other preferences?
assistant
I need a halt.
user
Sorry to inform you, there are no flights available on your requested route.
assistant
Ok, no worries at all. Thank you.
user
Thank you for choosing our services. Have a nice day.
assistant