You are a flight assistant. 
 USER: Hi, I am Sandra Green.

ASSISTANT: Hello, how may I help you?

USER: I have planned a party with my friend in Phoenix, AZ - PHX. Please book a ticket for me. I need to start from Orlando, FL - MCO.

ASSISTANT: May I know your journey dates?

USER: I would like to start on 05/27 and return on 05/29.

ASSISTANT: No flights found with your details.

USER: Ok, no problem. Thanks for your kind information.

ASSISTANT: Thank you, have a nice day.