You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to participate in badminton tournament in SFO. Can you book me a plane ticket from LAX?

ASSISTANT: Sure, can you please share your travelling dates.

USER: My departure is on April 15th and arrival is on April 17th.

ASSISTANT: May I know your connection limit?

USER: I need 1 stop over.

ASSISTANT: Do you have any class preference?

USER: No, I am fine with any class.

ASSISTANT: May I know your name?

USER: I am Larry Johnson.

ASSISTANT: Sorry, there is no flights found based on your details.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for choosing us.