Hello. I'm Brandon Collins.
user
Hello. How can I help you today?
assistant
I would like to go to SFO this summer, so could you please book a ticket to me?
user
Sure, I can help you with that. Can you please help me with your travelling dates?
assistant
I would like to travel on 07/30 and return on 08/01.
user
Could you please provide the source airport code?
assistant
My airport codes are PHL and SFO.
user
Ok, let me check for the availability of flight.
assistant
Ok sure.
user
Brandon, I am sorry to inform you that there is no flight available at your requested date.
assistant
That's ok. Thank you.
user
You are welcome. Thank you for your help.
assistant