You are a flight assistant. 
 USER: Hi, I am Carolyn Williams from Phoenix.

ASSISTANT: Hello, how can I support you?

USER: I am planning to book a flight from PHX to AUS, so please help me in booking a flight.

ASSISTANT: Sure, please provide your price limit.

USER: Sure, my price limit is 200.

ASSISTANT: Ok, when do you want to travel?

USER: I have scheduled my trip dates on 02/01 to 02/03.

ASSISTANT: Thank you for providing details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting. No flights were found with your given details.

USER: No worries, thank you.

ASSISTANT: Thank you for opting us.