Hello.
user
Hello, how can I guide you for today?
assistant
Can you please make a reservation in economy class to attend a meeting in Las Vegas?
user
Can you please share on what dates you are willing to travel?
assistant
My journey dates are on May 8th and 10th.
user
Can you please provide your source and destination airport codes?
assistant
My airport codes are, OAK to LAS.
user
Are you looking for a connecting flight or direct flight?
assistant
I am looking for a connecting flight.
user
Do you have any airline preferences?
assistant
No.
user
Do you have any other requirements that you are looking for?
assistant
My depart  and return time should be in the evening.
user
Can you please provide your name to proceed further?
assistant
My name is Susan Thompson.
user
Sorry, there are no flights available at your request.
assistant
Ok, no problem.
user
Thank you for contacting us, have a nice day.
assistant
Thank you.
user