Hello.
user
Hello. How can I help you?
assistant
I am Thomas Green, I am planning to visit Washington DC for vacation.
user
Ok.
assistant
Can you help me to book a direct flight for me?
user
Sure, I am here to help you, May I know your travelling dates? May I know your corresponding airport codes?
assistant
I will travel on 12/20 and return from vacation on 12/22. My source is Phoenix, AZ-PHX and destination is DC-DCA.
user
Sorry, there is no direct according to your details.
assistant
Its ok, thanks for the information.
user
Thank you for approaching us.
assistant