Hello.
user
Hello, how may I guide you?
assistant
I am Charles Wilson. I have planned to meet my grand parents who resides in Las Vega. Could you please guide me in booking my flight ticket?
user
Sure, can I know your preferable dates?
assistant
I am planning to start on 01/19 and return back on 01/21.
user
Can I know your airport codes?
assistant
My airport codes are from HOU to LAS.
user
I am sorry, there are no flights available.
assistant
Yes, please proceed. Thank you for the information.
user
Thank you, have a good day.
assistant