You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Steven Jones.

ASSISTANT: Steven, what kind of help are you expecting from my side?

USER: I'm very much interested in Hollywood movies, so I would like to visit Hollywood Walk of Fame in Los Angeles LAX on 08/14.

ASSISTANT: That's a very good place to visit for Hollywood fanatics. Can I know the source airport code and return date?

USER: I would like to return on 08/16 to IAH.

ASSISTANT: Hold on for a moment Susan.

USER: Ok, take your own time.

ASSISTANT: I am sorry to inform you that there are no flights matching with your preferable dates.

USER: That's so sad to hear.

ASSISTANT: Would you like to reconsider?

USER: No, I can't travel on any other dates.

ASSISTANT: Thank you, have a great day ahead.

USER: Thank you for your valuable time.