You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: I am Justin Williams, I got a ticket a for final match of National Hockey League. Can you book a direct flight so I can watch the game?

ASSISTANT: Sure, we are here to help you. May I know your source airport code?

USER: I like to fly from NV-LAS to CA-SFO.

ASSISTANT: Do you have any price limit?

USER: My budget is 1000 only.

ASSISTANT: Please, share your journey dates.

USER: I will travel on 05/25 and return on 05/27.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: We did not find any direct flight to SFO.

USER: Ok, thank you for the information.

ASSISTANT: Ok, Thank you for choosing us, have a nice day.