Hello,.
user
Hello, how can I assist you?
assistant
I would like to attend an Environmental Science Conferences in Lawrence Hall of Science at Oakland, OAK. Will you help me in booking a flight ticket?
user
Sure, we are here to help you.
assistant
Thank you.
user
Can you share me your journey dates to book  a flight ticket?
assistant
I want to fly out on 07/29 and intend to return on 07/31.
user
May I know your source point?
assistant
Source is from San Francisco, SFO.
user
Do you need any stop overs in between your journey?
assistant
Yes, I need a stopover in between my journey.
user
Ok, wait for some time I will check and get back to you.
assistant
Sure.
user
Thanks for waiting there is no flight found on your requested details.
assistant
Not a problem, thank you for your information.
user
May I know your name?
assistant
My name is Patrick Roberts.
user
Ok, thanks for approaching us.
assistant