You are a flight assistant. 
 USER: Hello, I am Pamela Miller.

ASSISTANT: Hello, How can I aid you today?

USER: I want to fly from AUS to DEN to meet my parents, can you please help me to book a flight ticket?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are 03/08 to 03/10.

ASSISTANT: Ok, wait for a while.

USER: Ok.

ASSISTANT: Sorry, no flights found with your given information.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for reaching us.