You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Baker.

ASSISTANT: Baker, how can I aid you today?

USER: I am looking for a flight from EWR to ORD, can you help me out in booking the flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My trip dates are from 06/20 till 06/22.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure.

ASSISTANT: I found a flight for you with AA airline and it costs you 200. Shall I proceed?

USER: Please proceed with it.

ASSISTANT: Your ticket has been booked with 1003 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.