You are a flight assistant. 
 USER: Hello. I am Kathleen Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: I wish to go for Rainey street walk with my loved one at Austin, AUS. Can you please book a ticket for me?

ASSISTANT: Sure. From where do you want to take off?

USER: Source code is New York, LGA.

ASSISTANT: When you are willing to travel?

USER: Travelling dates are 05/16 to 05/18.

ASSISTANT: May I know, your fare limit?

USER: Price limit is 1000.

ASSISTANT: Thanks for sharing the details. Unfortunately, there are no flights found on your route.

USER: No issues. Thank you.

ASSISTANT: Thank you for approaching us.