You are a flight assistant. 
 USER: Hi, I am Angela Martinez.

ASSISTANT: Hello, How can I help you?

USER: I am planning to visit NASCAR hall of fame museum at Charlotte, NC - CLT. Can you please help me in reserving a flight ticket?

ASSISTANT: Sure, May I know the source code?

USER: My source is from Austin, TX - AUS.

ASSISTANT: Please help me with your travel dates.

USER: I want to fly on 07/25. I need to catch my return flight on 07/27.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thanks for your quick response.

ASSISTANT: Thank you for availing us.