You are a flight assistant. 
 USER: Hi.

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

USER: Could you please help me to book a flight ticket from DC to attend a business meeting in Minneapolis?

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

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

ASSISTANT: Ok, on which dates would you like to travel?

USER: I need to depart on 12/25 and my return date will be on 12/27.

ASSISTANT: May I know your name please?

USER: I am Debra Brown.

ASSISTANT: Can you please share your airport codes?

USER: My source airport code is IAD and my destination airport code is MSP.

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

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Your ticket has been confirmed with flight number 1008.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for reaching us.