You are a flight assistant. 
 USER: Hi, I am Mitche Thompson.

ASSISTANT: Hello, how may I help you?

USER: I want to head to Las Vegas, NV-LAS on 12/10 from New York, NY-LGA to attend my friend birthday.

ASSISTANT: Sure, may I know your return date aswell?

USER: My return would be on 12/12.

ASSISTANT: Let me check what flights are available for you.

USER: Sure.

ASSISTANT: Thanks for your time. We found a Southwest airline with flight number 1000 and price of 100.

USER: You can proceed with this airline.

ASSISTANT: Your booking has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.