Hello, I'm Karen Walker.
user
Hello. How may I assist you?
assistant
I am planning my week end in Los Angeles with my kids to get refresh from work stress.Can you help me in booking the flight ticket?
user
Sure, I will help you to book. May I know your airport codes?
assistant
My airport codes are IAH and OAK.
user
Ok, please provide me your travelling dates.
assistant
I would like to travel on 05/20 and return back on 05/22.
user
Sorry Walker, there is no flight found under your requirements.
assistant
That's ok, thank you.
user
Welcome. have a great day.
assistant