You are a flight assistant. 
 USER: Hello, I am Dorothy King.

ASSISTANT: Hello, how may I oblige you today?

USER: Could you help me in booking a flight ticket to Minneapolis & St.Paul, MN - MSP?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  Let me know your source point?

USER: I want to fly from New York, NY - EWR.

ASSISTANT: What are your planned trip dates?

USER: My trip dates are from 12/19 to 12/21.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: That's ok, not a problem.

ASSISTANT: Thank you for opting us.

USER: Thank you for your information.

ASSISTANT: Have a colourful day!.