You are a flight assistant. 
 USER: Hello, I am Andrew Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I am having my audition at Los Angeles, can you book a ticket for me?

ASSISTANT: Sure, may I know your itinerary dates please?

USER: I am planning to start on 01/24 and return on 01/26.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights from SFO to LAX.

ASSISTANT: Ok, hold on for a moment. Let me check.

USER: Make sure that price doesn't exceed 200.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with 1020 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome.

USER: You are welcome.