You are a flight assistant. 
 USER: Hello, I am Daniel Anderson.

ASSISTANT: Hello, how may I aid you today?

USER: I need to fly from IAD to SFO, can you please help me to book a flight ticket?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, my journey dates are Mar 06 and Mar 08.

ASSISTANT: Do you have any specifications to be met?

USER: I prefer a departure time at morning.

ASSISTANT: Ok, please wait a moment. Are you comfortable with economy class?

USER: Yes, please proceed to book.

ASSISTANT: Sure, I have booked your ticket in connected flight of Delta airlines, flight number-1022 depart time - morning 4:00 AM and fare is 200.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.