Hello.
user
Hello, how may I help you?
assistant
I want to travel from DCA to LAS. Can you please help me with the booking?
user
Sure, may I know your name?
assistant
Myself Donna Allen.
user
When do you want to travel?
assistant
I want to travel on July 27 and intend to return on July 29.
user
Do you have any other preferences?
assistant
Yes, I need a connecting flight with an economy class.
user
May I know your good name, please?
assistant
Already mentioned above.
user
Sorry, there are no flights available on your travelling dates.
assistant
Ok, no problem. Thank you for the information.
user
Thank you for choosing us.
assistant