Hello, Robert Baker here.
user
Hello, how may I help you?
assistant
I want to book a ticket to SFO, going to San Francisco for giving presentation at head office of Microsoft, can you book a ticket from New York EWR?
user
That's great. Sure, may I know your travelling dates?
assistant
On Christmas, I want to leave New York  and return will be 12/27.
user
Ok, can you provide the departure date?
assistant
12/25.
user
There is a flight 1009 of Spirit airlines available for your request. Shall I confirm your booking?
assistant
That's great. Please proceed.
user
Your booking is confirmed.
assistant
Thank you.
user
Thank you for reaching us.
assistant