You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Sarah Edwards here.

ASSISTANT: How may I assist you today?

USER: Can you please book me a flight from SEA to visit MCO?

ASSISTANT: Sure, may I know your travelling dates, please?

USER: My planned travel dates are Feb 1st and 3rd.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no flight tickets available on your journey dates.

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

ASSISTANT: Thank you for reaching our service.