You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to visit Las Vegas, please book a ticket from SFO to LAS.

ASSISTANT: Sure, may I know your itinerary dates?

USER: My trip dates are 10/29 and 10/31.

ASSISTANT: Please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Southwest airlines with flight 1009 is available on your route.

USER: Ok, please book a ticket with the name Steven Martinez.

ASSISTANT: Martinez, your ticket is reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.