You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Lisa Clark.

ASSISTANT: How can I help you today?

USER: I am looking for a flight from HOU to MCO, can you help me in booking?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: Sure, my planned travel dates are Dec 27 and Dec 29.

ASSISTANT: Do you have any specification?

USER: I would like to return my journey for the afternoon flight.

ASSISTANT: Please wait a moment.

USER: OK, please look for a connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a great day.