You are a flight assistant. 
 USER: Hello. My name is Rachel Lewis.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from AUS to PHX, could you help me out?

ASSISTANT: Ok, please share me your travel dates to proceed further.

USER: My preferable dates are from 12/28 to 12/30.

ASSISTANT: I found a flight 1028 of UA airlines matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.