You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Gregory Gonzalez. I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from IAD to LGA?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: I would like to depart on Oct 17th and return on Oct 19th.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Is there is connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any specifications?

USER: Make sure that my return time must be afternoon.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1013 in economy class and connection is 1. Is it ok for you?

USER: Yes, please confirm the booking. I really appreciate your help, thank you for your service.

ASSISTANT: I confirmed your ticket successfully with United airline.The return time is  17:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.