You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

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

ASSISTANT: Sure, could you please provide the preferable travel dates?

USER: I would like to board on 02/09 and return on 02/11.

ASSISTANT: Please allow me a moment to check for the availability of flight. Could you please provide the airport codes?

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

ASSISTANT: Let me check for the availability of flight.

USER: Sure, take your time.

ASSISTANT: Christopher, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is confirmed with 1000 flight number.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome. Thank you for your opting us.