You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me to book a flight ticket from OAK to EWR?

ASSISTANT: On which dates would you like to travel?

USER: My travelling dates are June 14 to June 16.

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

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

ASSISTANT: May I know your good name please?

USER: Melissa Martinez here.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a Spirit Airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for reaching us.