Hello.
user
Hello, how can I aid you?
assistant
 I heard that San Francisco is the best place for site seeing. Can you please assist me for booking from LAX?
user
Sure, please share your planned travel dates.
assistant
Sure, my planned journey dates are 29 June and 1st July.
user
Do you prefer either economy or business class?
assistant
I am comfortable with any class.
user
Please let me know if you want any specific depart and return time preference.
assistant
I am Ok with any timings.
user
May I know your name?
assistant
Sure, my name is Cynthia Roberts.
user
Sorry to inform you that there is no flight available for given route by you.
assistant
Ok, I will choose another alternative to go. Thank you.
user
Thank you for contacting us.
assistant