You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I want to visit Denver Art Museum in Denver, CO-DEN.Can you please help me out?

ASSISTANT: May I know your source code?

USER: The source code is from TX-HOU.

ASSISTANT: May I know your trip dates?

USER: The trip dates are from 05/07 to 05/09.

ASSISTANT: May I know your name?

USER: My name is Lisa Edwards.

ASSISTANT: Sorry, no flights found for you.

USER: Ok, no issue.

ASSISTANT: Do you have any other dates to travel?

USER: No.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.