You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Campbell.

ASSISTANT: How may I help you?

USER: As by profession I am a dubbing artist I need to give voice over to an actor at Epicentre Recording Studio. Can you book me a ticket in afternoon flight to reach my destination?

ASSISTANT: Sure, may I know your trip dates?

USER: I would start on Dec 18th and return on 20th.

ASSISTANT: May I know your airport codes?

USER: My origin is OAK and destination is MSP.

ASSISTANT: Do you have any specifications?

USER: Yes, I need 1 stop over within my route.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: That's alright, thanks for your response.

ASSISTANT: Thank you for reaching us.