You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Jones. Can you please book a flight ticket from HOU to MCO?

ASSISTANT: Timothy Jones, I will help you. Please help me with your planned travel dates.

USER: Thank you. I have planned to travel on dates of Apr 02 and Apr 04.

ASSISTANT: Please help me with your preferred depart and arrival time.

USER: I would like to depart in evening and returning in afternoon time.

ASSISTANT: Do you need a direct or connecting flight?

USER: I am looking for single connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: I would prefer economy class.

ASSISTANT: May, I know if you have any other preferences that I need to know ?

USER: No.

ASSISTANT: Timothy Jones, I am really sorry to inform you that there are no active flights available for your journey.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for reaching us. Have a great time.