Hello.
user
Hello. How may I help you?
assistant
Can you help me to book a flight ticket from IAH to DCA?
user
Please provide your travelling dates.
assistant
My trip dates are Nov, 16 and Nov, 18.
user
Do you have class preference?
assistant
No.
user
Do you have specification?
assistant
I need to depart at afternoon time.
user
Can I know your name?
assistant
Steven Perez here.
user
Sorry, there is no flight with your requirement.
assistant
Not a problem, thank you for the information.
user
Thank you.
assistant