Hi.
user
Hello.
assistant
Stephen Wright here.
user
How can I aid you?
assistant
 I have an important meeting in Las Vegas, so I need a flight ticket to go there. Can you please search a flight for me from ORD to LAS?
user
May I know your journey dates please?
assistant
Sure, I am planning to go on 06/12 and back on 06/14.
user
Wait for a while please.
assistant
Ok, take your time.
user
Stephen Wright, there are no flights available on your route.
assistant
That's fine, no problem. Thank you for your help.
user
Thank you for reaching us.
assistant