Hello.
user
Hello, how may I help you?
assistant
I'm Barbara Collins. I am planning to attend music concert at San Francisco, can you please help me with booking a flight ticket?
user
Sure, I will help you. Could you please help me with travel airport codes to search the flights?
assistant
My source airport code is LAX and the destination airport code is SFO.
user
Ok, when you are willing  to travel?
assistant
Sure, I would like to take off on 04/03 and return back on 04/05.
user
Ok, do you need any other requirements?
assistant
Yes, make sure that the connection limit is 1.
user
Ok, please hold on for a minute while I am checking the availability.
assistant
Ok, but make sure that the price limit does not exceed 500.
user
Sorry for the inconvenience, there are no flights found in this route.
assistant
Ok, no issues. Thank you for checking.
user
You are welcome. Thank you for reaching us.
assistant
You are welcome.
user