You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Robert Roberts. I planned to meet my friend in SFO, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, I am gleeful to help you. Certainly, can you please share us your departure and arrival day?

USER: I planned to start on 06/01 and 06/03. Please make sure that the connection is 0.

ASSISTANT: Sure, please allow me a moment.

USER: Sure.

ASSISTANT: Robert, all flight tickets are booked in adavance on your requested travelling dates.

USER: Ok, not an issue. Thank you for your time.

ASSISTANT: Thank you for connecting with us, have a great day.