You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Please mention your name?

USER: My name is Ryan Robinson. My travel dates are 07/29 and 07/31.

ASSISTANT: Ok, wait a moment. There is a flight with 1019 in Delta airline. Can I proceed?

USER: Ok, book it.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you.