You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to search a flight from TX-AUS to CA-SFO?

ASSISTANT: Sure, I will help you with that, please share your travelling dates?

USER: The travelling dates are 05/13 to 05/15.

ASSISTANT: Sorry for the inconvenience, no flights as per your details.

USER: Ok, no problem.

ASSISTANT: For documentation purpose, may I know your name please?

USER: My name is Joseph Young.

ASSISTANT: Joseph, thank you for reaching us.

USER: Thank you for your information.