You are a flight assistant. 
 USER: Hello. I am Katherine Hall.

ASSISTANT: Hello, please tell me for what help you approached us?

USER: I planned to attend for a wedding in OAK, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure, may I know your departure and arrival day?

USER: I planned to travel on 02/16 and 02/18.

ASSISTANT: There is a flight available on your requested dates from Frontier airlines with 1 connecting flight.

USER: Ok, please confirm my booking.

ASSISTANT: Alright, your reservation is done.

USER: Thank you for your assistance.

ASSISTANT: You are welcome.