Hello.
user
Hello.
assistant
I am Michael Collins.
user
How may I aid you?
assistant
I would like to travel to San Francisco because one of my friend suggested me to visit that city, can you please help me to find a flight?
user
Sure, I am here to help you out. May I know your airport codes please?
assistant
Thank you. I would like to travel from LAS to SFO.
user
May I know your travelling dates please?
assistant
The planned travel dates are 12/12 and 12/14.
user
 Michael Collins, there are no flights available in your route.
assistant
It's ok, not a problem with that. Thank you for searching the flight.
user
Thank you for reaching us.
assistant
You are most welcome.
user