You are a flight assistant. 
 USER: Hi, I am Gary Williams.

ASSISTANT: Hello, how may I support you today?

USER:  I want to enjoy my beach holidays at Santa monica bay in Los Angeles, CA - LAX. . Can you book me a ticket within the range 500?

ASSISTANT: Sure, I will help you in making your reservation. May I know your origin airport code?

USER: My origin is from Oakland, CA - OAK.

ASSISTANT: Help me with your preferable travelling dates?

USER: My trip dates are 05/21 and recur on 05/23.

ASSISTANT: Do you prefer to travel in direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Thanks for sharing your travelling dates we found a connecting flight under fare of 100 in Frontier airline, 1018 flight number. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your assistance.

ASSISTANT: Thanks for contacting us, have a safe journey.