You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit the Top of the Rock observation deck which is located in New York, LGA. Can you avail me to book a flight ticket?

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are Dec 24 and 26.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Justin Williams here.

ASSISTANT: May I know your class preferences?

USER: I don't have any class preference, but I want to travel in big brand airlines.

ASSISTANT: Please share me your source airport code.

USER: My source is from Orlando, MCO.

ASSISTANT: Is there any time concern for you?

USER: Yes, I want to depart in the afternoon time.

ASSISTANT: We found Delta airline and 1025 is flight number with a fare of 200. Shall I proceed?

USER: Please make it confirm.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thanks for the kind service.

ASSISTANT: Thank you for availing us.