Hi. I am Amy Hall.
user
Hello. How may I assist you?
assistant
Can you help me in booking a ticket from LAS to ATL  as I need to attend my sister wedding?
user
Sure, please provide me your dates of travelling?
assistant
My journey dates are 12/21 to 12/23.
user
Please, wait a moment.
assistant
Ok.
user
Sorry to say you that, there is no flights on your requirement.
assistant
Ok, no problem. Thank you.
user
Thank you for connecting with us.
assistant