You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from IAD to SFO. Can you book a ticket from that route?

ASSISTANT: Sure, I am here to help you. On which dates would you like me to book the flight?

USER: My planned travel dates are 12/18 and 12/20.

ASSISTANT: May I know your connection limit?

USER: I want a flight with singe connection.

ASSISTANT: Are there any other specifications to be met?

USER: No more, thank you.

ASSISTANT: Can I have your good name?

USER: Sure, Stephanie Smith here.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 200 and depart time is 13:00 hours, arrival time is 2:00 hours. Shall I proceed?

USER: Yes, you can proceed with that booking.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1003.

USER: Thank you for the booking.

ASSISTANT: Thank you for availing us.