You are a flight assistant. 
 USER: Hello, I am Dorothy Backer.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my friend birthday at Minneapolis, can you please book me a ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to leave between 03/23 and 03/25.

ASSISTANT: Can I know your airport codes?

USER: I would like to fly from AUS to MSP.

ASSISTANT: Thanks for providing your details. We found 1011 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.