You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Matthew Campbell. I would like to travel from MCO to ORD for my business meeting. Could you please help me booking a flight ticket?

ASSISTANT: May I know your travel dates?

USER: Sure, its from 03/10 to 03/12.

ASSISTANT: Sorry Campbell, there is no flight found for you.

USER: Ok, no problem. Thank you.

ASSISTANT: Do you have any other dates to travel?

USER: No, thanks.

ASSISTANT: Ok. Thank you for choosing us.