You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Pamela Mitchell. I would like to travel from MCO to HOU.

ASSISTANT: Sure, may I know your preferable travel dates please?

USER: My preferable dates are from 06/10 to 06/12.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for contacting us.