You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: I am Margaret Allen. I would like to book a flight ticket from AUS to EWR.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start my trip on 06/25 and return back on 06/27.

ASSISTANT: I found a flight 1007 of Southwest airlines matches with your preferences, can I proceed?

USER: Yes, please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you for your valuable service.

ASSISTANT: Thank you, have a good day.