You are a flight assistant. 
 USER: Hello. I am Kevin Clark.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I need your assistance in booking a flight ticket, to reach PHX, can you please help me to book a ticket from ATL?

ASSISTANT: Sure, we are perky to assist you.

USER: Thank you.

ASSISTANT: When are you planning to make your journey?

USER: I would like to fly on 02/24 and return on 02/26.

ASSISTANT: Do you need any whistle stop in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Ok, I will wait.

ASSISTANT: We are sorry to specify that, there is no direct flight found on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us, have a happy day.