You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Larry Miller.

ASSISTANT: What can I do for you?

USER: I have a plan to attend my sister marriage in Los Angeles.Could you please aid me in booking a flight ticket with fare 500?

ASSISTANT: Sure, I will help you. May I know your travel dates?

USER: My travel dates are 11/20 and 11/22.

ASSISTANT: Help me with your corresponding airport codes?

USER: My airport codes are from CA-OAK to CA-LAX.

ASSISTANT: Please hang on for a moment.

USER: Sure.

ASSISTANT: I found a flight from an UA airline of fare 100 and having a single connection with flight number 1024. Shall I proceed?

USER: You can continue with the booking.

ASSISTANT: Your flight reservation is done.

USER: Thank you for your kind service.

ASSISTANT: Thanks for approaching us.