You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Smith.

ASSISTANT: Smith, how may I help you?

USER:  I am a magician, I would like to do magic show at Las Vegas. Please help me in booking a ticket from PHL to LAX.

ASSISTANT: May I know your itinerary dates?

USER: My trip dates are 12/01 to 12/03.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Spirit airlines with flight 1008 is available on your route.

USER: You can reserve it.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for helping.

ASSISTANT: Thank you for reaching us.