You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Myself Stephanie Gonzalez.

ASSISTANT: Welcome to flight booking agency Gonzalez.

USER: Thanks. I want to go Oakland next month to meet my friends there, can you please book a flight ticket for me?

ASSISTANT: Sure, I will help you. Can you please provide your planned dates of travelling?

USER: Thank you. I want to take off on 01/30 and also confirm my return ticket too on 02/01.

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

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

ASSISTANT: Do you have any additional preferences?

USER: Yes, please make sure that I want a direct flight to Oakland.

ASSISTANT: Ok, please wait a moment to check the flights availability.

USER: Oh! It's ok no problem I will go with another airline service.

ASSISTANT: Sorry to inform you that, there are no flights moving to your region with connection 0.

USER: Oh! It's ok no problem I will go with another airline service.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your information.

ASSISTANT: Welcome.