You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Patrick Nelson from Washington. Can you please search a flight for me to reach New York?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: The planned travel dates are 05/04 and 05/06.

ASSISTANT: Please share me your airport codes?

USER: My source and destination airport codes are IAD and LGA.

ASSISTANT: We found a flight on your details with airline Spirit, flight number: 1013. Shall I book this ticket?

USER: That's fine, please proceed with the ticket booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping me in ticket booking.

ASSISTANT: Thank you.