You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Edward Collins. Can you please make me reservation from LAX to PHL?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my trip dates are 04/14 and 04/16.

ASSISTANT: Let me check for the availability of flight.

USER: Ok.

ASSISTANT: Edward, I am sorry to inform you that there is no flight available at your request.

USER: That's ok, no problem with that. Thank you for checking.

ASSISTANT: Thank you for contacting us.