You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Margaret Lewis, want to travel from AUS to DFW. Please help me in booking my ticket.

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferred travel dates are from 04/15 to 04/17.

ASSISTANT:  I found a flight 1010 of JetBlue airlines matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.