You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Joseph Robinson here. Can you help me to find a flight from BOS to LAX?

ASSISTANT: Ok, can you please share your travelling dates for this journey?

USER: My travel dates are 03/05 and 03/07.

ASSISTANT: Please wait for a while Joseph Robinson.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no flight available on your requested route.

USER: It's ok, thanks for your help and information.

ASSISTANT: Thank you for reaching our assistance, have a nice day.