Hi.
user
Hello. How can I help you?
assistant
I am Michelle Carter, in this vacation I would like to visit National Mall in IAD, so can you help me booking flight on 12/10?
user
Sure, I will help you with that.
assistant
But make sure with 0 connection.
user
Can you please mention your boarding airport code and return date of your journey?
assistant
I am going to return my source airport LAS on 12/12.
user
 Sure, I will check the flight with 0 connection only.
assistant
Thank you.
user
Please hold on I will check.
assistant
Ok, I will wait for your response.
user
Thanks for your patience. Sorry Michelle Carter, I cannot find any flight with your connection.
assistant
Oh! Sad to hear, thank you for your services.
user
It's my pleasure, have a great day.
assistant