You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jonathan White from Washington.

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

USER: I want to go to Oakland next week, can you please book a flight ticket for me?

ASSISTANT: Sure, I am glad to assist you with that. Can you please provide your planned dates of travelling?

USER: Thank you, I want to take off on 11/09 and confirm my return ticket also on 11/11.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

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

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Based on your travel details, I have found a flight with a single connection with a fare of 100 from UA airlines. If you are ok with this, please inform me to book the flight.

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

ASSISTANT: Ok, your ticket has been confirmed in flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, hope you have a great journey.