You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I am Linda Smith. I have to attend funfair show in ORD. Could you please help me to book a ticket from LAX?

ASSISTANT: Sure, when do you want to travel?

USER: 08/25 to 08/27. I need direct flight.

ASSISTANT: Sure, do you have any price limit?

USER: 5000.

ASSISTANT: Please wait a moment I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights found with your required details.

USER: Not a problem. Thank you.

ASSISTANT: Thanks for picking us, have a safe flight.