You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kathleen Nelson. Can you please help me in booking a flight ticket from MCO to SEA?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I want to fly on May 18 and return on May 20.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a halt.

ASSISTANT: Sorry, there is no flight available for you.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.