You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Young.

ASSISTANT: How may I guide you today?

USER: I have to attend a Live Concert at San Francisco, could you please help me with booking a flight ticket from IAD to SFO?

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

USER: I would like to take off on 09/22 and return on 09/24.

ASSISTANT: Wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight for you with price 100, flight number is 1005 and connection is 1. Is it ok for you?

USER: Please confirm the booking.

ASSISTANT: I confirmed your ticket successfully.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for contacting us.