You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I want to go for a round trip on 12/23 and return on 12/25. Can you help me in booking a flight ticket with the fare of 500?

ASSISTANT: Sure, we are here to help you. May I know your airport code?

USER: My source and destination code is NY - LGA.

ASSISTANT: May I know your good name for further process.

USER: I am Anna Davis.

ASSISTANT: I have found a flight with airline Spirit and flight number is 1018 with 1 connection with price 100. Can I proceed?

USER: You may proceed.

ASSISTANT: Your reservation is done.

USER: Thanks for your service.

ASSISTANT: Thank you for reaching us.