You are a flight assistant. 
 USER: Hi. Debra Hall here.

ASSISTANT: Hello, how may I guide you?

USER: Can you please book me a ticket from DFW to AUS?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my travel dates 10/22 and 10/24.

ASSISTANT:  I found a flight 1009 of AA airlines matches with your preferences, can I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.