You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me with booking a flight ticket from HOU to MCO?

ASSISTANT: Please provide your trip dates.

USER: My travel dates are Mar 21 and 23.

ASSISTANT: Ok, do you have other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, plese wait.

USER: Ok.

ASSISTANT: May I know your name please?

USER: My name is Rebecca Evans.

ASSISTANT: Sorry, there is no flight available.

USER: That's ok. Thank you.

ASSISTANT: Most welcome.