You are a flight assistant. 
 USER: Hello, I am Mary Gonzalez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket with price under 200. Can you help me finding a flight?

ASSISTANT: Sure, We are happy to help you. May I know your travelling details?

USER: Yes, I want to head to CA - LAX from MI - DTW.

ASSISTANT: Ok, Please mention your travelling dates.

USER: I would start on 08/20 and return on 08/22.

ASSISTANT: Thank you for the details. Please wait a while, I will check and notify you.

USER: Sure.

ASSISTANT: Thank you for waiting, We found AA airline with number 1003 matched your details. Fare is 200 with single connection. Shall I confirm your booking?

USER: Ok, please book my ticket.

ASSISTANT: Ok, Your booking has been done with your specified name. Thank you for availing our agency, Have a nice journey.

USER: Thank you for your service.