You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Joseph Perez. Please book me a ticket from SFO to IAD to meet my family.

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

USER: I have planned to travel on Dec 30th and return on Jan 01st.

ASSISTANT: Do you have any class preference?

USER: I prefer economy class.

ASSISTANT: Is there any connection limit?

USER: Yes, I want break in between my journey.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1001 in economy class and connection is 1. Is it ok for you?

USER: Is this flight return at evening time?

ASSISTANT: It is matching your request but the flight number is 1009. Can I proceed the booking.

USER: Ok, please book this ticket.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.