You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Lopez here.

ASSISTANT: How can I support you Lopez?

USER: I need a direct flight from BOS to PHL.

ASSISTANT: Please share your travel dates.

USER: My trip dates are 08/14 and 08/16.

ASSISTANT: Sorry, no flight is available for you.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.