You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I want to attend the burial service of my grand mother in Chicago, ORD.

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

USER: My travel dates are Aug 12 and 14.

ASSISTANT: Can I know your departure airport code please?

USER: I want to start from Phoenix, PHX.

ASSISTANT: Can I know your preferences?

USER: I need a connecting flight.

ASSISTANT: Do you need any specifications?

USER: No.

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

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Can I know your name please?

USER: Sure, Shirley Phillips here.

ASSISTANT: Thank you.

USER: Thanks for your response.