You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Charles Edwards.

ASSISTANT: Yes, Edwards.

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

ASSISTANT: Sure, I am here to help you with that flight ticket booking. Can you please provide me your travel dates?

USER: my travelling dates are 09/03 to 09/05.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I am sorry to inform you that there is no flight available at your requested dates.

USER: That's ok, than you.

ASSISTANT: You are welcome.