You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to visit Institute of Detroit at DTW, can you help me with booking?

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

USER: My travelling dates are May 11 and May 13.

ASSISTANT: 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 requirements?

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Ruth Moore.

ASSISTANT: Can I have your source airport code?

USER: My source airport code is EWR.

ASSISTANT: We found a AA airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Please proceed.

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

USER: Thank you.

ASSISTANT: Thank you for reaching us.