You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a Beer festival in Los Angeles, can you please help me with that?

ASSISTANT: Sure, I will help you. May I know on which dates you want to travel?

USER: I would like to travel on 10/30 and return on 11/01.

ASSISTANT: Please share your price limit.

USER: My price limit is 1000.

ASSISTANT: Can you please provide your journey codes?

USER: The airport codes are SFO-LAX.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you, sorry no flights were found matching your details.

USER: Ok, no problem.

ASSISTANT: May I know your name?

USER: My name is Stephen Mitchell. Thank you.

ASSISTANT: Thank you, have a nice day.