You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Can You please help me in booking my flight ticket from SEA to LAX?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 12/21 and 12/23.

ASSISTANT: Ok, wait a moment please.

USER: Ok, sure.

ASSISTANT: There is a flight in AA airline with price 100, can I book it?

USER: Ok, thank you. Ok, please proceed.

ASSISTANT: May I know your name please for booking purpose?

USER: Myself Dorothy Parker.

ASSISTANT: Your ticket has been booked with flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for approaching us.