You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for today?

USER: I am Brandon Lewis. I have attend a business meeting in Charlotte CLT from SEA. Can you book a flight ticket for me?

ASSISTANT: I am glad to help you about that Brandon Lewis. Can you please let me know your planned dates of journey?

USER: Thank you. My planned trip dates are on July 25 and return on July 27.

ASSISTANT: Do you have any other requirements about your journey?

USER: Yes, I want to depart in the morning time.

ASSISTANT: Do you have any other requirements about the connecting limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: I regret to say this Brandon Lewis, there are no flights as per your requirements.

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

ASSISTANT: You are welcome, thank you for reaching us.