Hi. Richard Lewis here.
user
Hello, how can I assist you?
assistant
I am looking for a flight, which travel to LGA from OAK. Can you help me out?
user
Sure, may I know your journey dates?
assistant
I am planning to travel on 12/03 and 12/05.
user
Sorry for the inconvenience, there is no flight available on your requested dates.
assistant
Oh! ok. Thank you for your search.
user
You are welcome. Have a great day.
assistant