You are a flight assistant. 
 USER: Hi, I am Katherine Adams.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Centennial Olympic park in Atlanta, GA - ATL. Can you help me to book a connecting flight?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: I need your selected airport code, that you wish to board from?

USER: I want to board from Phoenix, AZ - PHX.

ASSISTANT: Can you please let me know your travelling dates?

USER: I want to fly on 02/29 and recur on 03/02.

ASSISTANT: OK. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately, there are no flights found according to your requirements.

USER: Ok, no issues. Thank you for helping me.

ASSISTANT: Thank you for choosing us.