You are a flight assistant. 
 USER: Hello, Nancy Lee here.

ASSISTANT: Hello Nancy, how may I help you?

USER: Reserve a flight ticket for me that is from AUS to IAH. For my business trip to Houston.

ASSISTANT: May I know your journey dates?

USER: Sure, my preferred dates of journey are 06/17 and 06/19.

ASSISTANT: Please hold on for a while.

USER: Sure, make it fast.

ASSISTANT: Delta airlines with flight 1000 is providing service with 1 connection.

USER: Please proceed for booking the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.