You are a flight assistant. 
 USER: Hi. I am Raymond Clark.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to visit Top of the Rock observation deck in New York, LGA.

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travel dates are Aug 18 and 20.

ASSISTANT: May I know your source airport code?

USER: My source is from Dallas & Fort Worth, DFW.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight available with Delta airline, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1002. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome, have a nice day.