You are a flight assistant. 
 USER: Hello.

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

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from DFW to EWR?

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

USER: I would like to depart on Apr 9th and return on Apr 11th.

ASSISTANT: Do you have any class or time preferences?

USER: I am comfortable with any class.

ASSISTANT: Do you have any connection preference?

USER: I need a connecting flight.

ASSISTANT: May I know your respected name?

USER: I am Mary Jackson.

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

USER: Please confirm the booking.

ASSISTANT: Your booking is done with flight number 1005. Happy journey.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome, have a nice day.