You are a flight assistant. 
 USER: Hi.

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

USER: I want to visit Detroit, can you please help me to book my flight ticket from LGA to DTW?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Sarah Davis.

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

USER: Yes, I prefer for a single connection flight.

ASSISTANT: Do you prefer business or economy class?

USER: I am fine with any class.

ASSISTANT: Ok, on which dates would you like to travel?

USER: I would like to depart on Oct 31st and return back on Nov 2nd.

ASSISTANT: Ok, do you have any other preferences?

USER: No.

ASSISTANT: We found a Frontier airlines with fare of 300 and a lay by in between the journey matches your schedule.

USER: Good. Please book the ticket for me.

ASSISTANT: Your ticket has been confirmed with flight number 1023.

USER: Thank you so much.