Hello.
user
Hello. How can I help you?
assistant
I am David Taylor. I want to book a flight from BOS and LAX. Can you book it for me?
user
Can you please tell your travelling dates?
assistant
My travel date is 07/20 and the return is 07/22.
user
Sorry, there are no flights available with your requested details.
assistant
That's ok, no problem. I will next time try with new dates. Thank you.
user
Thank you and have a nice day.
assistant