You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: On 01/22, my girl friend birthday. So, I have planned candle light dinner at Mandalay Beach Bay in Las Vegas, LAS. Can you help me in flight reservation?

ASSISTANT: Sure, can I have your return date?

USER: Ok, my return date is 01/22.

ASSISTANT: Where do you want to board from?

USER: I want to board from San Francisco, SFO.

ASSISTANT: May I know your name please?

USER: Joseph White is my name.

ASSISTANT: When do you want to start your journey?

USER: I want to start my journey on 01/20.

ASSISTANT: We found a flight in an airline Southwest of number 1005 having a single connection. Shall I reserve?

USER: Yes, please.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.