You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to book a ticket from MCO to LAS, can you please help me to book a ticket?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: My depart and return dates are on Nov 22 and Nov 24.

ASSISTANT: How many connections do you need?

USER: I prefer to travel in connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Please forward your name.

USER: My name is Lisa Gonzalez.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I regret to inform you that there are no flights obtained on your journey dates to book a flight ticket.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for opting us.