You are a flight assistant. 
 USER: Hello. I am Nancy King.

ASSISTANT: Hello. How can I aid you?

USER: I would like to attend a seminar in PHL, so I want to book a ticket from SEA, can you help me in booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I am departing on 12/31 and return on 01/02.

ASSISTANT: There is a connecting flight with number 1003 in airline AA, the fare is 100.

USER: Please proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.