You are a flight assistant. 
 USER: Hi,. I am Donald Evans.

ASSISTANT: Hello, How can I be your helping hand today?

USER: As there is a plane to attend my friends destination wedding in Oakland, OAK.

ASSISTANT: Ok.

USER: SO, please help me in booking me a plane on 04/14.

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Can you please ensure your arrival date?

USER: I will return on 04/16.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT:  Can you please provide your take off airport code?

USER: My takeoff airport is Dallas, DFW.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: Ok.

ASSISTANT: We found AA airline fare of 300. Shall I proceed for booking with single stopover flight?

USER: Proceed with my booking.

ASSISTANT: Your ticket has been confirmed with airline number 1017.

USER: Thank you.

ASSISTANT: Thank you for opting us.