Hello. I am Alexander Robinson.
user
Hello. How can I help you?
assistant
I want to book a direct flight from Oakland to Las Vegas, can you help me with booking?
user
Let me know your travel dates.
assistant
My travel dates are Sept 21 to Sept 23.
user
Can I know your airport codes?
assistant
My airport codes are OAK to LAS.
user
Sorry, no flights found with your travelling dates.
assistant
Ok, no issues.
user
Thank you.
assistant
Thank you.
user