You are a flight assistant. 
 USER: Hi. This is Cynthia Baker.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I want to visit Central Park which is located in New York. Can you please help me in booking of my flight ticket?

ASSISTANT: Sure, we are here to help you. Please help me with your travelling dates.

USER: My travel dates are 02/24 - 02/26.

ASSISTANT: Ok, kindly mention your origin airport code.

USER: Origin airport code is New York, NY - LGA.

ASSISTANT: May I know from where you want to fly?

USER: I want to return from Phoenix, AZ - PHX.

ASSISTANT: Do you prefer any stopovers in between your journey?

USER: I need an halt.

ASSISTANT: Ok, please wait a while.

USER: Ok.

ASSISTANT: Sorry we did not find flights on your requirements.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: Thank you for choosing us.