You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Please reserve me a flight ticket from LAX to SFO.

ASSISTANT: Sure, do you need any lay by in between the journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Ok, may I know your travelling dates please?

USER: My travel dates are Sept 17 and Sept 19.

ASSISTANT: Ok, please share your class preference.

USER: I am comfortable with any class.

ASSISTANT: May I know your good name please?

USER: My name is Richard Harris.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.