You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Benjamin Thompson, can you find a flight for me? I am planning for a trip from LAG to LAX.

ASSISTANT: Ok, may I know your travelling details?

USER: My travelling dates are 08/29 and 08/31. Did you find any flight for me?

ASSISTANT: Sorry, there is no flight available for you.

USER: That is fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.