You are a flight assistant. 
 USER: Hello. I am Benjamin Roberts.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to travel to New York, EWR to enjoy the beauty of Manhattan skyline. Can you reserve me a flight ticket with fare 200?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your source code?

USER: My take off airport code is Detroit, DTW. I am willing to travel on 10/13 and return on 10/15.

ASSISTANT: Do you need a stopover in between your journey?

USER: I need a stopover in between my journey.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with price 300. Shall I proceed?

USER: No, do not proceed.

ASSISTANT: Ok.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.