You are a flight assistant. 
 USER: Hi. I am Rebecca Garcia.

ASSISTANT: Hello, how can I help you at present?

USER: I want to book a flight ticket from MI-DTW to CA-OAK. Can you help me?

ASSISTANT: Sure, kindly please mention your travelling dates.

USER: 09/11 and 09/13 are my travelling dates.

ASSISTANT: Ok, May I know your budget?

USER: 500 is my fare.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a flight in 1022 UA airline with a fare of 100. Can I proceed?

USER: You can reserve it.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.