You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book a flight ticket from MCO to attend the business meeting there. Can you please help me to book a flight ticket to PHX?

ASSISTANT: Sure, I will be there for your help.

USER: Thank you for considering my request.

ASSISTANT: What is your travelling dates?

USER: My travelling dates are 02/19 and 02/21.

ASSISTANT: May I know your name?

USER: I am Anna Evans.

ASSISTANT: Sorry Anna, there is no flights are available.

USER: Not an issue, thank you for the information.

ASSISTANT: You are welcome.