You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Cynthia Gonzalez. I have to attend my sister's wedding at Seattle, could you please help me with booking a flight from DCA to SEA?

ASSISTANT: May I know your travel dates?

USER: I would like to take off on 05/28 and return on 05/30.

ASSISTANT: There is a flight with flight number 1000 with price is 200, can I proceed?

USER: Please confirm the booking if the connection is 1.

ASSISTANT: Your booking is done in AA airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Most welcome.