You are a flight assistant. 
 USER: Hello, I am Sharon Wilson.

ASSISTANT: Hello, Please let me know, How can I assist you for the day?

USER: I want to go for a Lady Bird Lake Bike Tour within the price of 500. Can you help me in booking a single connecting flight?

ASSISTANT: Sure, I am mirthful to help you. Please provide your travelling details to proceed further?

USER: Sure, my travelling dates are from 11/10 to 11/12.

ASSISTANT: Ok, Help me with your travel airport codes please?

USER: I want to fly from NV - LAS to TX - AUS.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: We hardly tried to provide you flight, unfortunately no flights are available to that locations.

USER: That's alright, not a problem. Thank you for your information.

ASSISTANT: Thank you for making us to serve you, we hope to serve you again.