Hello.
user
Hello, how may I aid you?
assistant
I am Sarah Lopez, can you help me to book a flight ticket?
user
Sure, I am here to help you out. Please share me your trip dates.
assistant
Ok, my travel dates are 08/12 and 08/14 respecively.
user
May I know your location airport codes?
assistant
My origin airport code is LAS and destination code of the airport is OAK.
user
Sorry Lopez, there is no flight in your route.
assistant
That's ok I will try next time. Thank you for helping me.
user
Thank you for reaching us.
assistant