Hello,.
user
Hello, how can I amend you?
assistant
I am William Evans. I need to submit tender for new project in Rockefeller Center at New York, LGA. Can you please book a flight ticket from  SFO?
user
Sure. Do you need lay by in between your journey?
assistant
Yes, I need a lay by in between journey.
user
Can I know your travelling dates?
assistant
My journey dates on 09/27 and 09/29.
user
Please, wait for a while.
assistant
Sure.
user
Thank you for being patience, there is a flight available with Frontier airline, flight number 1021 with fare 100 and a lay by.
assistant
Ok, proceed with the booking.
user
Your booking has been done.
assistant
Thanks for your help.
user
Thank you for availing us.
assistant