You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Thomas Brown. Can you help me in booking my flight ticket from HOU to MCO?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My trip dates will be Oct 25th to Oct 27th.

ASSISTANT: Do you have any airline preferences?

USER: No, I am ok, with any airline.

ASSISTANT: Do you have any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: My depart time should be in the afternoon.

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

USER: Its ok, thank you.

ASSISTANT: Thank you for contacting us, have a nice day.