You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Benjamin Carter.

ASSISTANT: Nice to meet you Carter. How can I help you today?

USER: I need to attend a wedding at Denver.can you book a ticket from FL - MCO to CO - DEN?

ASSISTANT: Sure Carter. Please mention your travelling dates.

USER: The departure is on 05/27 and return is on 05/29.

ASSISTANT: Please give me a moment, let me check the flight details.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry Carter, no flight has found as per your dates.

USER: Ok. that's not a problem.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your help.

ASSISTANT: Have a good day.