You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER:  I am Paul Phillips want to visit Seattle,WA-SEA to meet my father.

ASSISTANT: Ok.

USER:  Can You book a connecting flight?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 03/10 and 03/12.

ASSISTANT: May I know your Source code?

USER: I will depart from NY-EWR.

ASSISTANT: May I know your price limit?

USER: Price should not exceed 5000.

ASSISTANT: There is a Delta 1019 airline which matches your requested dates. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been confirmed on name of Paul Phillips.

USER:  Thank you for booking.

ASSISTANT: Thank you for approaching us.