You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Christopher Evans here.

ASSISTANT: How can I aid you?

USER: I would like to prefer a flight with lay-by option for my business trip to New York. Can you book it.

ASSISTANT: Sure, may I know the planned travel dates?

USER: The travel dates are from July 27 to July 29.

ASSISTANT: May I know the airport codes?

USER: The airport codes are from LAX to EWR.

ASSISTANT: Please provide me the specifications.

USER: I prefer a stopover flight. That is it.

ASSISTANT: May I know the name?

USER: I am Christopher Evans.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed with booking?

USER: You can book it.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1021 in Frontier Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.