Hi.
user
Hello, how can I assist you?
assistant
 Being a doctor I need to fly to Las Vegas, to attend in world health conference. Can you help me to book a direct flight?
user
Sure, Please provide me your travel dates.
assistant
I would like to travel on 01/03 and 01/05.
user
Can I have your journey points?
assistant
My origin and destination are: DCA and LAS.
user
Sorry for the inconvenience, there are no flights found with your requirement.
assistant
Ok, no problem.
user
May I know your name for documentation purpose?
assistant
I am Dorothy Young.
user
have a nice day.
assistant
Thanks for the quick response.
user