You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Hall. I want to book a ticket from MCO to SFO to meet my uncle, can you help me in booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I am departing on 08/08 and return on 08/10.

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.