You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Walker here.

ASSISTANT: How may I help you out?

USER: I want to reserve my ticket from EWR to PHX, can you please help me to book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my planned dates of journey is from 10/20 to 10/22.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, please book it.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for choosing.