Hi,.
user
Hello, How can I help you?
assistant
I want to visit my grandmother home for a vacation, can you help me in booking a ticket?
user
Sure, May I know the details of your journey?
assistant
I want to start my vacation on 01/06 and end on 01/08.
user
May I know the airport abbreviates?
assistant
Airport codes are from Houston,TX- IAH to  Oakland,CA-OAK. Please ensure that I need a direct fligt.
user
Sorry to tell that there is no flight found according to your details.
assistant
Thank you  for the information.
user
May I know your name?
assistant
I am Jacob Anderson.
user
Thank you.
assistant