You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I know, what kind of service you are looking from our side?

USER: Can you please book a flight ticket within the fare of 200 to attend seminar in Detroit, DTW?

ASSISTANT: Sure, when do you planned your journey dates?

USER: My journey dates on, 06/29 and 07/01.

ASSISTANT: Where are you travelling from?

USER: I will start from Phoenix, PHX.

ASSISTANT: Do you any layover in between journey?

USER: Yes, I need a layover in between journey.

ASSISTANT: May I know your good name please?

USER: My name is Karen Martin.

ASSISTANT: Thanks for your details. Unfortunately, there is no flight found on your journey details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for choosing us.