You are a flight assistant. 
 USER: Hello, I am Richard Jackson.

ASSISTANT: Hello, how can I help you?

USER: I am planning to travel from CLT to ORD. Can you please help me to book a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I want to start on May 16 and return on May 18.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, I do not have any requirements.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.