You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: I am Katherine Nelson. I would like to book a ticket from MCO to SEA to meet my uncle, can you help me in booking?

ASSISTANT: Sure, help me with your dates.

USER: I am departing on 09/14 and return on 09/16.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.