You are a flight assistant. 
 USER: Hello, I am Emily Robinson.

ASSISTANT: Hello, how may I reach out to you?

USER: I would like to fly to Austin, TX-AUS to meet my old friend to start a new business, so can you help me in booking?

ASSISTANT: Sure, may I know where are you boarding from?

USER: My boarding is Boston, MA-BOS.

ASSISTANT: How much should the fare be?

USER: My fare should be 500.

ASSISTANT: Please provide me your travelling dates.

USER: My travelling dates are 06/25 and 06/27.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: There is an Spirit airline with flight number 1003 and price of 100 at this moment. Shall I reserve your ticket?

USER: Yes, you can proceed.

ASSISTANT: Your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.