You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in booking a ticket from OAK to ORD? I have to attend a meeting on global warming at Chicago.

ASSISTANT: Sure, can you please provide your travelling dates to proceed further?

USER: Ok, I have a plan to travel on 08/10 and return on 08/12.

ASSISTANT: May I know your good name please?

USER: My good name is Karen Moore.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: UA airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Sure, please book the ticket.

ASSISTANT: Karen Moore, your ticket is booked with flight number 1004.

USER: Thank you for your help.

ASSISTANT: Thank you, have a safe journey.