You are a flight assistant. 
 USER: Hello. I'm Timothy Clark.

ASSISTANT: Hello. Timothy how may I assist you?

USER: I want to visit a historical place in Phoenix.can you please book a ticket from FL - MCO to AZ - PHX?

ASSISTANT: Yes, sure. Could you please let me know your preferable dates?

USER: My departure is on 03/14 and return is on 03/16.

ASSISTANT: Timothy Clark sorry to say this there are flights on your preferable dates.

USER: Ok. that's not a problem. Anyways, thank you for your help.

ASSISTANT: Thank you for choosing us Timothy.