Hi.
user
Hello, How can I aid you?
assistant
I want to book a flight ticket from LGA to OAK. Can you help me?
user
Sure. Can I know your travelling dates?
assistant
My travel dates are May 18 and 20.
user
Do you need any break?
assistant
Yes, I need a break.
user
May I know your depart and arrival timings?
assistant
I would like to depart at morning and return at afternoon.
user
Please share me your class preference.
assistant
I prefer economy ticket.
user
Unfortunately, there are no flights found according to your requirement.
assistant
No issues, I'll choose any alternative. Thank you.
user
May I know your name for documentation purpose?
assistant
I am Kevin Allen.
user
Thank you for providing  your name.
assistant