You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Houston, can you please book me a ticket from MCO to IAH?

ASSISTANT: May I know your travelling dates?

USER: I am planning my journey on the dates of Dec 06 and Dec 08.

ASSISTANT: Do you have any requirements?

USER: I am planning to depart in the afternoon time.

ASSISTANT: May I know your name?

USER: My name is Elizabeth Hernandez.

ASSISTANT: Sorry, no flight is available for you.

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

ASSISTANT: Thank you for reaching us.