You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Lee.

ASSISTANT: How can I assist you?

USER: I want to attend an event in Orlando. Can you book a ticket from SFO to MCO?

ASSISTANT: Ok, may I know your travel dates to book a flight?

USER: I want to travel on 04/25 and 04/27.

ASSISTANT: Sorry, there are no flights available at your journey routes your wanted.

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

ASSISTANT: Thank you for connecting with our agency.