You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Please book a ticket from IAD to LAX to go for Innovation festival.

ASSISTANT: Sure, could you please let me know your dates of journey?

USER: My journey dates are Apr 9 and Apr 11.

ASSISTANT: May I know your good name please?

USER: I am Timothy Hill.

ASSISTANT: Are you looking for any other help from my side please?

USER: My depart time is evening.

ASSISTANT: Please wait for a mean while.

USER: Ok.

ASSISTANT: I found a connecting flight of fare 100 with the Delta airline, shall I proceed with this ticket booking?

USER: Ok, please proceed.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1002.

USER: Thank you.

ASSISTANT: You are welcome, have a safe flight.