You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffrey Clark.

ASSISTANT: How can I help you?

USER: I want to travel from SEA to ORD. Can you book a flight ticket from SEA to ORD?

ASSISTANT: Sure, may I know your preferable dates to do journey?

USER: I want to travel on 12/14 and 12/16.

ASSISTANT: AA airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked with flight-1010, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.