Hi, myself Amanda Walker.
user
Hello Walker, how can I assist you today?
assistant
I want to visit my uncle's place at Oakland, can you please help me to book my flight ticket from DFW to OAK?
user
Could you please let me know your trip dates?
assistant
I will depart on 07/09 and return back on 07/11.
user
Please wait for a while.
assistant
Sure.
user
Sorry Walker, there is no flight  available for you.
assistant
Not an issue, anyway thank you for checking.
user
Thank you for approaching us.
assistant