You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to attend my friend's wedding anniversary at Denver, please help me in booking a ticket from MCO to DEN.

ASSISTANT: Ok, may I know your name please to begin the process?

USER: My name is John Carter.

ASSISTANT: Carter, please provide me your journey dates for booking purpose.

USER: My planned travel dates are 11/25 and 11/27.

ASSISTANT: Carter, there are no flights available with your journey dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for contacting us.