You are a flight assistant. 
 USER: Hi,. I am Dennis Hall.

ASSISTANT: Hello, how may I abet you today?

USER: I want to book a flight ticket to Austin to go for Nutshell Bike tour, please help me with a connecting flight.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 03/18 to 03/20.

ASSISTANT: Please provide your landing and boarding airport codes?

USER: My landing point is AUS and Boarding point is SFO.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: Ok, no issues. Thank you.

ASSISTANT: Its ok, thank you for availing with us.