You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Nancy Phillips here. Can you please help me in booking a ticket from LGA to BOS?

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

USER: My preferable dates to do journey are 08/22 and 08/24.

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

USER: Sure, carry on.

ASSISTANT: I found a flight for you with UA airline and it costs you 300. Shall I proceed to cancel?

USER: That;s fine for me, please proceed for booking.

ASSISTANT: Shall I proceed to book? Your ticket has been booked with 1005 flight number.

USER: Thank you so much.

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