You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me to book a flight ticket from LAX to IAD?

ASSISTANT: Can you share your dates?

USER: My trip dates are Mar 26 and Mar 28.

ASSISTANT: Do you need any connections?

USER: I prefer for single connecting flight.

ASSISTANT: Are there any other preferences?

USER: No other preferences.

ASSISTANT: May I know your name?

USER: Charles Carter here.

ASSISTANT: Connecting flight number 1022 with price 100 in economy class is available. Is it ok?

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.