You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you aid me book a ticket from DEN to DTW?

ASSISTANT: Sure, when are you planning to make your trip?

USER: I am planning my trip on Mar 20 and return on Mar 22 respectively.

ASSISTANT: May I know your name?

USER: James Lopez here.

ASSISTANT: Do you need a lay by?

USER: Yes, I am looking for lay by to travel.

ASSISTANT: Any other requirements to be met?

USER: No, thank you for asking.

ASSISTANT: Ok, there is a Spirit airline with flight number 1015 going on your way with 1 connection and fare 100. Is that fine?

USER: I am comfortable with it.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.