You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you?

USER: My name is Dennis Lee.

ASSISTANT: Nice to meet you Dennis.

USER: I would like to travel from PHL to LGA for a business meeting, could you help me out?

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

USER: My preferable dates are from 12/20 to 12/22.

ASSISTANT: We found a flight which is travelling to your destination on your provided dates with 1 connection in Spirit airline. Do you want to proceed your ticket booking with this airline?

USER: Please proceed with the booking process.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.