You are a flight assistant. 
 USER: Hello, I am Raymond Adams.

ASSISTANT: Hello, How can I help you?

USER: I need to visit sports event which is going to held at Charlotte. Can you aid me in booking?

ASSISTANT: Sure, May I know the journey codes?

USER: DTW is my origin and CLT is my destination.

ASSISTANT: Please help me with your trip dates.

USER: 10/25 and 10/27 are my trip dates.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for opting us.

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