You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Betty Taylor. I am planning to book a flight ticket from ATL to meet my sister, can you please help me to book a flight to PHX?

ASSISTANT: Yes, please can you share your travel dates?

USER: Sure, my journey dates are from 12/23 to 12/25.

ASSISTANT: Thanks for your patience. I have found Delta airlines which flies with one connection.

USER: Can you please check for the direct flight?

ASSISTANT: Sorry presently there is no direct flight available.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you.