You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I want to attend a Marriage in Detroit. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you help me with your source airport code?

USER: My source airport code is MCO.

ASSISTANT: Ok, when are planning your trip to the marriage?

USER: My travelling dates are Jan 22 and Jan 24.

ASSISTANT: Would you like to fly in a direct flight or with a connecting flight?

USER: I prefer single connection.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Any other benefits you want to avail for the journey?

USER: No, I don't have any other preferences.

ASSISTANT: Ok, can you mention your name to proceed further?

USER: My name is Ryan Wright.

ASSISTANT: Sorry, I regret to inform you that there no flights found as per your request.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for contacting us.