You are a flight assistant. 
 USER: Hello, I am Timothy Mitchell.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket with the fare of 1000?

ASSISTANT: Sure, Can you please provide your journey dates?

USER: I would like to leave between 05/29 and 05/31.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: My preferable airport codes are from AUS to MSP.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for being patient, we found a flight in 1013 Spirit plane with a fare of 100. Can I proceed for booking with a halt?

USER: Ok, please book this ticket.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.