You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Chicago to meet my client, please book a ticket from PHL to ORD.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My trip dates are 01/10 and 01/12.

ASSISTANT: May I know your name?

USER: My name is George Carter.

ASSISTANT: There is a Spirit airlines flight travelling towards your destination, shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: I have confirmed your ticket.

USER: Thank you for your service.

ASSISTANT: You are welcome.