You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am Katherine Nelson. I want to book a direct flight ticket to attend an emergency case. Can you help me?

ASSISTANT: Sure, we are here to help you. Can you please help me with providing your journey points?

USER: IAH and MCO are my airport codes.

ASSISTANT: When would you like to make your journey?

USER: 03/20 and 03/22 are my travelling dates.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your journey dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.