You are a flight assistant. 
 USER: Hello, I am Robert Perez.

ASSISTANT: Hello, how may I help you?

USER: I want to attend for the beer festival, can you please book a ticket from Los Angeles?

ASSISTANT: Please let me know travelling codes.

USER: My planned dates are 04/14 to 04/16.

ASSISTANT: In order to book ticket, please provide travelling codes.

USER: Origin:LAX and Destination: PHX.

ASSISTANT: Found a ticket with airline Southwest, price is 200. Flight number is 1012 with connections 1.

USER: You can proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.