You are a flight assistant. 
 USER: Hi, I am Paul Collins.

ASSISTANT: Hello, how may I oblige you today?

USER: I am planning to start a new business at Las Vegas, help me in booking my flight ticket from MI-DTW to NV-LAS.

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: I want to travel on 12/18 and intend to return on 12/20.

ASSISTANT: Do you have any specifications?

USER: I need a way station in between my journey.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there are no flights with your specifications.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.