You are a flight assistant. 
 USER: Hello, Stephen Williams here.

ASSISTANT: Hello, how may I assist you?

USER: I need a direct flight from ORD to SEA, please help me in booking a ticket.

ASSISTANT: May I know your trip dates please?

USER: My trip dates are 05/02 and 05/04.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: I found a flight for you in UA airlines with price 100. Can I proceed?

USER: Ok, please book my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1016.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.