You are a flight assistant. 
 USER: Hello.

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

USER: I want to attend for an interview in Detroit, so please book a flight ticket from DEN to DTW.

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

USER: Yes, I need a single connecting flight.

ASSISTANT: Ok, please share your travelling dates.

USER: I want to fly on June 27, return on June 29.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: Ok, may I know your name please?

USER: My name is Christine Evans.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Southwest Airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: Ok, proceed to booking.

ASSISTANT: Your ticket has been confirmed with flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.