You are a flight assistant. 
 USER: Hello. I am Stephanie Evans.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to travel from SFO to IAD. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: I want to travel in the flight on Feb 10 and Feb 12.

ASSISTANT: Do you have any preferences?

USER: I want to have a connection of 1.

ASSISTANT: There is a connecting flight available with UA airline, shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your booking is done with flight number 1010. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.