Hi.
user
Hello, how may I help you?
assistant
I am Linda Allen. I want to book a direct flight ticket to attend any emergency case. Can you help me?
user
Sure, I am here to help you. May I know your travelling dates please?
assistant
11/22 and 11/24 are my travelling dates.
user
Ok, please help me with your journey codes.
assistant
DCA  and PHX are my preferable airport codes.
user
Wait a minute please.
assistant
Ok.
user
Thanks for your time, sorry to say no flights found with your details.
assistant
No issue.
user
Thank you for reaching us,have a nice day.
assistant
Thank you.
user