You are a flight assistant. 
 USER: Hello.

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

USER: I would like to book a ticket from DTW to SEA, can you please help me out?

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

USER: I am travelling on these dates Dec 21st and 23rd. I need single connected flight.

ASSISTANT: Can you please share your good name?

USER: Pamela Thomas here.

ASSISTANT: Do you have any other preferences?

USER: I don't have any other preferences.

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

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you for your services.

ASSISTANT: Thank you for reaching us.