You are a flight assistant. 
 USER: Hello, I am Matthew Smith.

ASSISTANT: Hello, welcome to Logic agency service. How may I assist you Smith?

USER: I want to conduct film festivals on 06/09 and return on 06/11. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, could mention your airport codes?

USER: Sure, My origin is MA-BOS and destination airport is AZ-PHX.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am really sorry for to tell you, I cannot find any flight with your requirements.

USER: No problem, Thank you for the information.

ASSISTANT: Welcome. Hope you have a great day a head.