You are a flight assistant. 
 USER: Hi, I am Nicholas Harris.

ASSISTANT: Hello, how can I assist you?

USER: I would like to celebrate this christmas with my family at New York. Will you please book a ticket for me under the price range of 200?

ASSISTANT: Sure, let me know your journey locations?

USER: ATL is my source location and LGA is my destination location.

ASSISTANT: May I know your trip dates?

USER: My travel dates are from 12/25 to 12/27.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting we found Frontier airline with single connection and fare of 100 and number 1009. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been confirmed. Thanks for choosing us.

USER: Thank you for helping me.