Hello.
user
Hello.
assistant
I am Donna Nelson.
user
How can I help you at this moment?
assistant
I would like to book a ticket from DCA to OAK, can you please help?
user
Sure, I can help you in booking flight ticket. Could you please mention your travel dates for booking flight ticket?
assistant
I am travelling on these dates 07/28 and 07/30.
user
Ok, please wait a moment.
assistant
Sure. Ok no problem, thank you for your services.
user
Sorry no flights available in this route as per your requested dates.
assistant
Thank you for your services.
user
Thank you for reaching us, have a nice day.
assistant