You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for today?

USER: Edward Hernandez. I need to book a flight ticket from LAX to SFO, can you please help me for booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on 10/04 to 10/06.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flight is available for you.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.