You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moment?

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

ASSISTANT: Sure, may I know your good name please?

USER: I am Jason Jackson.

ASSISTANT: Ok, when would you like to travel?

USER: My travel dates are Sept 28 and Sept 30.

ASSISTANT: Ok, do you need a lay by in between the journey?

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

ASSISTANT: Ok, do you have any other preferences.

USER: I would like to return back in  the evening time.

ASSISTANT: We found a United Airlines with fare of 600 and a lay by in between the journey matches your schedule.

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your ticket has been confirmed with flight number 1026.

USER: Thank you.

ASSISTANT: Thank you for reaching us.