Hello.
user
Hello, how may I help you?
assistant
I'm Larry King, I want to book a ticket. Can you help me out?
user
Sure, it's my pleasure to help you. Can you please provide the airport codes?
assistant
They are LAX and DFW.
user
May I know your travelling dates?
assistant
It's from 07/15 to 07/17.
user
OK, wait for a minute.
assistant
OK.
user
Sorry for the inconvenience, there is no flight available.
assistant
That's OK. Thank you for your time.
user
Thank you.Have a great day.
assistant