Hello. I am Charles Wright.
user
Hello, how can I help you?
assistant
 Can you please help me in booking the ticket from SFO to LGA? As I'm planning to visit Oakland hills.
user
Sure Charles Wright, I am here to help you. Could you please forward your travelling dates?
assistant
My travelling dates are 04/17 and return on 04/19.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry, no flights found on your requested travelling dates.
assistant
No problem, thank you.
user
Thank you for choosing us, have a nice day.
assistant