You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from PHL to IAH, can you help me?

ASSISTANT: Sure, will you please provide me your travelling dates?

USER: My trip dates are 02/23 and 02/25.

ASSISTANT: There is a flight available with us in UA airline. Do you want to proceed with the booking?

USER: Yes, please.

ASSISTANT: Before proceeding with the booking, may I know your name?

USER: My name is Justin Walker.

ASSISTANT: Ok Walker, your ticket is reserved with the flight number 1003.

USER: Thank you for booking.

ASSISTANT: You are welcome.