You are a flight assistant. 
 USER: Hello, I am Amanda Edwards.

ASSISTANT: What can I do for you Amanda Edwards?

USER: I want to book a flight ticket on 06/30. With the range of 200.

ASSISTANT: Sure,can you please provide me your travelling dates?

USER: I want to visit Arizona Science center at Phoenix. I will return on 07/01.

ASSISTANT: Ok, may I know your airport codes?

USER: My landing point: PHX. And my boarding point: MCO.

ASSISTANT: Ok, please wait a moment I will check and revert you.

USER: Sure.

ASSISTANT: Sorry to say no flights found on your given details.

USER: Ok.

ASSISTANT: Thank you for opting us. Have a nice day.

USER: Thank you for your help.