You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Mitchell.

ASSISTANT: How can I assist you at this moment?

USER: I want to book a ticket from IAD to PHL to attend seminar, can you help me in booking?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: I am departing on May 23 and return on May 25.

ASSISTANT: Do you have any specifications?

USER: I need a flight with connection limit 1.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: There is a direct flight service available with JetbBlue airlines with a ticket fare of 100, shall I book your ticket?

USER: Please proceed for booking.

ASSISTANT: Sandra Mitchell, your ticket is booked in flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you and have a safe journey.