You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: I am planning to visit Charlotte comedy city tour in CLT.

ASSISTANT: When you are willing to travel?

USER: I want to travel on Apr 29 and May 01.

ASSISTANT: Do you have any other requirements?

USER: Yes, I want to travel in business class.

ASSISTANT: Let me know your connection limit?

USER: Yes, I need one connection in my journey.

ASSISTANT: Can you help me with your source code?

USER: My source is from Washington DCA.

ASSISTANT: May, I know your good name?

USER: Sure, Nicholas Davis here.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you.