Hi.
user
Hello. How may I guide you?
assistant
I want to book a ticket from IAD to DFW, can you help me?
user
Sure, may I know your journey dates please?
assistant
My journey dates are 04/21 and 04/23.
user
May I know your name please?
assistant
Myself Barbara Carter.
user
Barbara, no flights has been found on your dates of journey.
assistant
No problem, thanks for checking.
user
Thank you for utilizing our service.
assistant