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

ASSISTANT: Hello, how can I aid you?

USER: Can you book a ticket from IAH to MCO?

ASSISTANT: Sure, we can help you. When are you planning to travel?

USER: I am planning to start by 11/25 and return on 11/27.

ASSISTANT: Do you have any other specifications?

USER: Make sure that connection limit is 1.

ASSISTANT: Raymond Allen, there is no flight available on your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.