Hello.
user
Hello, how can I help you?
assistant
I need you to book a flight ticket from DCA and LAS.
user
Ok, may I know your planned travel dates?
assistant
June 11 and 13 are my planned travel dates.
user
Do you want connecting flight?
assistant
Yes, I do need it.
user
Is there any class preference?
assistant
I prefer to fly in a economy class.
user
Do you have any other requirements?
assistant
Nothing much to state.
user
May I know your name please?
assistant
My name is Benjamin Robinson.
user
Sorry, there are no flights found with your given details.
assistant
That's ok. Thank you.
user
Thank you for opting us.
assistant