You are a flight assistant. 
 USER: Hello, myself Scott Nelson.

ASSISTANT: Hello, how may I support you?

USER: I would like to visit Monetary Car Week Show at Charlotte, NC - CLT. Can you help me with the flight booking of price 500?

ASSISTANT: Sure, we are happy to assist you.

USER: Thank you.

ASSISTANT: Help me with the corresponding origin airport code?

USER: My origin airport code is from Houston, TX - HOU.

ASSISTANT: When are you willing to travel?

USER: My planned travel dates are 06/19 - 06/21.

ASSISTANT: Thank you for your details. Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: Thanks for your assistance.

ASSISTANT: Thanks for reaching us. Have a nice day.