Hello,. I am Dennis Anderson.
user
Hello, how may I assist you today?
assistant
Can you please book a flight ticket from San Francisco to  Los Angeles to attend marriage my friend marriage?
user
Sure, Could I have your journey dates, please?
assistant
My journey dates are, depart on Aug 14th and arrival on Aug 16th.
user
Do you prefer a halt in between your journey?
assistant
Yes,  I need a halt in between journey.
user
Do you have any other preferences?
assistant
No, I am comfortable with any airlines.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, no flights are available as per your requirements.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us.
assistant