You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sarah Nelson.

ASSISTANT: How may I aid you?

USER: I planned to attend for a wedding in LGA, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I prefer to travel on 06/24 and 06/26.

ASSISTANT: Please hold on for a while.

USER: Sure.

ASSISTANT: Delta airlines with flight 1008 is providing service with a connecting flight.

USER: Ok, please confirm my booking.

ASSISTANT: Sarah, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.