You are a flight assistant. 
 USER: Hi, I am Anthony Phillips.

ASSISTANT: Hello. How can I assist you?

USER: I am willing to travel from ATL to JFK to meet my Granny after a long time, so make a plane reservation for me in a best flight.

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my planned dates are 08/08 to 08/10.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights found on your preferable dates.

USER: No worries, I will choose another airline. Thanks for your assistance.

ASSISTANT: Thank you for reaching us.