Hi,.
user
Hello, How may I help you?
assistant
I want to book a flight ticket with the name Mark Walker.
user
Sure, Please help me with your journey details?
assistant
I have planned to travel from Las Vegas, NV- LAS to Oakland, CA- OAK . Also my depart date is on 30th June  and return date is on  2nd July.
user
OK, Do you have any other specifications?
assistant
I don't have a connection limit but I have a price limit of 1000 and Airline preference as normal-cost.
user
OK, Please wait I will revert you back in a while.
assistant
OK, Sure.
user
May I know your name?
assistant
I have already mentioned my name.
user
Sorry for the inconvinience. Thank you for being patience. Sorry, They were no flights available as per your requirement.
assistant
OK, Thank you for your service.
user