Hello.
user
Hello, how can I aid you today?
assistant
I am Steven Wright from Washington. I would like to travel from DCA to LAS for an important meeting, can you please search is there any flight available for me?
user
Sure, may I know your dates of travel?
assistant
Thank you for your response, I want to take off on May 31 and book my return ticket also on June 02.
user
Do you have any specifications?
assistant
I want a business class flight so please check with this.
user
Ok, please wait a minute.
assistant
Ok.
user
Sorry, there were no flights found on your class preference.
assistant
Oh! It's ok no problem. Thank you for your information.
user
Thank you for opting us.
assistant