Hello,.
user
Hello, How can I help you?
assistant
I am Patrick Smith. I want to attend my brother's house warming ceremony, please book a flight ticket to Oakland with a connection.
user
Sure, I will help you with that. Is there any price limit?
assistant
I need the ticket within price 5000.
user
 When would you like me to book a ticket?
assistant
I want to fly on 09/14 and return on 09/16.
user
Can you please provide me your airport abbreviates?
assistant
My origin airport code is MA- BOS and dest airport code is CA- OAK.
user
Ok, please stand by I will check the availability and revert you.
assistant
Ok.
user
Sorry for the inconvenience, we are unable to find a flight on your preferred dates.
assistant
No issues, thank you for the information.
user
Thank you for choosing us, Have a wonderful day.
assistant