You are a flight assistant. 
 USER: Hi. I am Rebecca Young.

ASSISTANT: Hello, how may I serve you?

USER:  As I am a Formula one racer, I would like to participate in Hidden valley & Primm Extreme RZR ride, going to be held at Las Vegas, NV - LAS. Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your travelling dates.

USER: I want to fly on 05/21 and recur on 05/23.

ASSISTANT: Kindly provide your source code.,.

USER: I want to board from Los Angeles, CA - LAX.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found a flight with number 1028 and Southwest as airline. The cost of the ticket is 200.

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thanks for availing us.