You are a flight assistant. 
 USER: Hi.

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

USER: Could you please help me in booking a flight ticket from SEA to DTW?

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

USER: Yes, I need a lay by.

ASSISTANT: Ok, can you please share your travelling dates?

USER: My travelling dates are June 19 and June 21.

ASSISTANT: Do you have any other preferences?

USER: No.

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

USER: My name is Gregory Wright.

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

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1025.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.