You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you help me booking a flight ticket from EWR to MCO?

ASSISTANT: Sure, could you please provide me with your dates of journey?

USER: I will start on 01/11 and return on 01/13.

ASSISTANT: May I know your good name please?

USER: I am Donna Thomas.

ASSISTANT: Are you looking for any other help from my side please?

USER: No.

ASSISTANT: Ok, wait for a mean while please.

USER: Sure.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.