You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Williams Moore.

ASSISTANT: Yes, Moore.

USER: I want to travel from PHL to LAX, can you help in booking a ticket? My date of journey is on 07/13 to 07/15.

ASSISTANT: Please, wait a moment. There is a flight for your requirement, can I proceed?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for your service.