You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Donna Walker.

ASSISTANT: Donna, how may I aid you?

USER: Can you please help me in booking my flight ticket from CLT to AUS?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Ok, my travelling dates are 09/23 and 09/25.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Southwest airlines with flight 1009 is available on your route.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.