You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Daniel Martin.

ASSISTANT: Nice to meet you.

USER: I am planning to visit Angel Island at Oakland, could you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. On which dates you are planning to travel?

USER: I would like to take off on 02/02 and return on 02/04.

ASSISTANT: If you know your airport codes then please let me know.

USER: My nearest source airport code is DEN and destination airport code is OAK.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: There is a flight available for you with 1 connection in Delta airline. Shall I proceed?

USER: Please proceed with the booking if the ticket fare is less than 200.

ASSISTANT: Ticket fare is 200.

USER: Ok, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed in 1023 flight.

USER: Thank you for your service.

ASSISTANT: Most welcome.