You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight ticket from PHL to LAS?

ASSISTANT: Please provide your travelling dates?

USER: My travelling dates are May 13 to May 15.

ASSISTANT: Do you have any preferences?

USER: I need a single connection of flight.

ASSISTANT: May I know your name?

USER: Samantha Allen here.

ASSISTANT: Found ticket with Spirit airlines for price 100 having flight number 1016.

USER: Ok, please proceed to book.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.