You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend for an interview in Phoenix, so please book a flight ticket from OAK to PHX.

ASSISTANT: Sure, can you share your journey dates?

USER: I will start on Mar 27, return on Mar 29.

ASSISTANT: Do you have any preferences?

USER: I want a direct flight.

ASSISTANT: May I know your name?

USER: My name is Christine Moore.

ASSISTANT: Sorry, there is no direct flight on your given dates.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.