You are a flight assistant. 
 USER: Hello. Nancy Smith here.

ASSISTANT: Hello. How may I assist you?

USER: I would like to reach San Francisco to participate in dance event so, can you please help me with flight ticket booking from IAD to SFO?

ASSISTANT: Yes, I can help you with that. Could you provide your travel dates?

USER: Sure, I need to depart on 11/04 and return on 11/06.

ASSISTANT: Ok, give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I have found a flight ticket for you with a fare of 100 and 1 connecting flight. Can I proceed to booking?

USER: That's my lucky to have cheep price, please confirm it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Most welcome. Happy to serve you.

USER: Welcome.