You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Alexander Jones.

ASSISTANT: How may I aid you?

USER: I want to travel from MCO to HOU.

ASSISTANT: Ok, please share your travelling dates?

USER: My preferable dates are from 08/09 to 08/11. sure, take your time.

ASSISTANT: Sorry, there are no flights found on your requested dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you, have a nice day.