You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Roberts here.

ASSISTANT: Roberts, how can I aid you today?

USER: I would like to travel from LGA to BOS, can you help me with that?

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

USER: My travelling dates are 20 Feb and 22 Feb.

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

USER: Sure, take your own time.

ASSISTANT: I found a flight for you with Delta airline and it costs you 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thank you.

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