You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you at this moments?

USER: Can you please book the ticket from ORD to PHX? As I'm planning to visit Phoenix.

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

USER: Sure, my planned departure and return travel dates are 11th and 13th of April.

ASSISTANT: Do you need a lay by in between the journey?

USER: Yes, I prefer single connected flight.

ASSISTANT: May I know your good name please?

USER: My name is Laura Hill.

ASSISTANT: We found a Frontier Airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Proceed for booking.

ASSISTANT: Your ticket has been confirmed with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for reaching us.