You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: As by profession I am a dubbing artist I need to give voice over to an actor in Epicentre Recording Studio at ORD, please book me a ticket from OAK.

ASSISTANT: Ok, when do you want to travel?

USER: My travelling dates are from 09/19 to 09/21.

ASSISTANT: May I know your name, please?

USER: I am Pamela Wilson.

ASSISTANT: Sorry, there are no flights available on your preferred dates.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.