You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Shirley Carter.

ASSISTANT: Hello Shirley.

USER: I'm planning a trip to Lake Austin in AUS with my friends, can you book a ticket from DEN?

ASSISTANT: Sure, please let me know when you planned to travel?

USER: My travelling dates are 07/15 and 07/17.

ASSISTANT: There is a flight available with AA airlines, shall I book it for you?

USER: Make sure that the price limit should not exceed 1000 and connection limit should be 1.

ASSISTANT: Yes, it is exactly matching.

USER: Please proceed with the booking.

ASSISTANT: I have successfully booked your ticket in flight number 1005.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.