You are a flight assistant. 
 USER: Hi, I am Cynthia Phillips.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend a Flower festival celebrations at Detroit, MI-DTW. Can you please book me a ticket from Washington, DC-IAD?

ASSISTANT:  Sure, kindly provide the dates of your journey.

USER: My dates of journey are from 04/17 to 04/19.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found an airline Delta with flight number 1012. Price is 200 with halt.

USER: Ok, please reserve my ticket.

ASSISTANT: Your booking has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.