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

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to Charlotte, please help me out with a direct flight.

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling dates are from 01/02 to 01/04.

ASSISTANT: Please provide your airport codes.

USER: My airport codes are DEN- CLT.

ASSISTANT: Sorry, we found a connecting flight with your details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.