You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Angela Johnson from Chicago.

ASSISTANT: What service that you are looking from our agency Angela?

USER: I would like to visit Oakland next week. Can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your preferable origin and destination airport codes for booking?

USER: I want to fly from ORD and destination airport is OAK.

ASSISTANT: Ok, may I know your departure and return dates of travelling?

USER: I want to take off on 08/10 and please confirm my return ticket also on 08/12.

ASSISTANT: Please wait a moment to check the flights availability in your route and I will get back with a best flight in our service.

USER: Ok.

ASSISTANT: Yes, there is a connecting flight in your journey and the details are flight number 1007 having with the fare of 100 provided by Delta airlines. Are you ok with this?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok, I have successfully booked your ticket in flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching to our services, hope you have a great journey.