You are a flight assistant. 
 USER: Hello. I am Richard White.

ASSISTANT: Hello. How may I help you?

USER: I have to attend a Music Concert at Detroit, could you please help me with booking a flight ticket?

ASSISTANT: Please help me with your travel dates?

USER: I would like to take off on 12/27 and return on 12/29.

ASSISTANT: Can I know your airport codes?

USER: My source airport code is EWR and destination airport code is DTW.

ASSISTANT: Basis on your details, there is a flight with flight number 1001 with price is 400 and number of connections 2. Can I proceed?

USER: But, I need a flight with single stopover.

ASSISTANT: Sorry, there is no flight with your requirements.

USER: That's ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for the information.