You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Dorothy Adams here.

ASSISTANT: What can I do for you at this moment?

USER: Can you book a flight ticket for my airport codes that is from EWR to LAS?

ASSISTANT: On which dates would you like to travel?

USER: The travel dates are from 16 Nov to 18 Nov.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: I prefer a stopover flight.

ASSISTANT: Ok, share your class preference.

USER: That does not matter.

ASSISTANT: Can I know your good name please?

USER: I am Dorothy Adams.

ASSISTANT: Ok, do you have any other preferences?

USER: No.

ASSISTANT: We found a UA airlines with fare of 100 and a lay by in between the journey matches your schedule.

USER: You can book the flight ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1007.

USER: Thank you.

ASSISTANT: Thank you for reaching us.