Hi, Nancy Allen here.
user
Hello Nancy, how can I assist you today?
assistant
 I would like to book a ticket to Charlotte as I am having a business meet, can you please help me out?
user
Sure, can you please let me know your airport codes?
assistant
I am flying from ATL to CLT.
user
Ok, may I know your travel dates?
assistant
My itinerary dates are from 12/04 to 12/06.
user
Ok, please wait for a while.
assistant
Sure, take your time.
user
Sorry Nancy, no flights available on your given dates.
assistant
No problem, thank you for assisting me.
user
Thank you for contacting us.
assistant