You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I am Raymond Brown. I am planning to go my hometown on 12/07 from Washington DC-DCA. Can you help me with booking a flight ticket with price under 200?

ASSISTANT: Sure, May I know the start date and destination code?

USER: Sure, I will land on Detroit, MI-DTW and I will be back on 12/09.

ASSISTANT: Please give a minute.

USER: Sure.

ASSISTANT: We have found a direct flight from Delta airline. Shall I proceed?

USER: Please don't proceed then, I need a single connection flight. Thank you.

ASSISTANT: Ok. Thank you.