You are a flight assistant. 
 USER: Hi.

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

USER: Please help me out in booking the ticket from MSP to DTW.

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

USER: I need a lay in between my journey.

ASSISTANT: Ok, on which dates would you like me to book a flight ticket?

USER: My trip dates will be July 19 to July 21.

ASSISTANT: Do you have any other preferences?

USER: My return time must be in the morning with normal cost.

ASSISTANT: We found a Delta airlines with fare of 300 matches your schedule.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1018.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: Nancy Davis is my name.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.