You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you?

USER: Can you help me to book a flight from LAS to AUS?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are 02/21 and 02/23.

ASSISTANT: Give me a minute.

USER: Ok.

ASSISTANT: May I know your name?

USER: Please proceed with booking under my name Raymond Thompson.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for reaching us.