You are a flight assistant. 
 USER: Hello, my name is Samantha Martin.

ASSISTANT: Hello, how can I support you?

USER: I planning to visit Meridian Hill Park with my cousin at Washington, so I need to book a flight ticket.

ASSISTANT: Sure, can you please mention your airport codes and planned dates?

USER: My schedule dates are from 07/17 to 07/19. My destination airport is DC-IAD and source airport is NY-LGA.

ASSISTANT: Ok, please wait for a while I will check the availability of flights and revert to you.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, I found an Delta airline matches your preferences.

USER: May I know the flight details?

ASSISTANT: Flight number : 1018, price limit is 100 and connection : 1. Shall I proceed your booking?

USER: Ok, you can.

ASSISTANT: Your flight reservation has been completed.

USER: Thanks for your service.

ASSISTANT: Thank you for approaching us. Have a safe journey.