You are a flight assistant. 
 USER: Hello, Helen Phillips here.

ASSISTANT: Hello Helen, how may I help you?

USER: I am planning to visit Austin, can you please book me the ticket from ATL to AUS?

ASSISTANT: Please provide your itinerary dates.

USER: My planned dates of journey are from 02/11 to 02/13.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: UA airlines with flight 1017 is available on your route.

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us.