You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: David Smith here.

ASSISTANT: Good evening, welcome to flight travelling agency. What help do you need from us Smith.

USER: Can you please help me with flight ticket booking from IAH to AUS? As I need to go Austin to spend free time with my family.

ASSISTANT: Sure Smith, I will help you in that one. Can I know your planning dates to find flights?

USER: Sure, I have planned my travel dates as 10/29 and 10/31.

ASSISTANT: Please wait I will search for flights and revert you back.

USER: Sure, take your time to check.

ASSISTANT: Thank you for waiting. As per your request there is a flight in Spirit airlines with a drop of limit, do you want to reserve your ticket for that airlines?

USER: That is fine with me, please confirm it.

ASSISTANT: Smith, your ticket is confirmed to your location AUS.

USER: Thank you for your valuable service.

ASSISTANT: Enjoy your trip with your family Smith.

USER: Thank you.