You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I want a direct flight ticket within my price limit 1000. Could you help me in flight booking?

ASSISTANT: Sure, may I know you good name please?

USER: My name is Raymond Mitchell.

ASSISTANT: Could you please provide me your travelling dates?

USER: Sure my travelling dates from 03/28 to 03/30.

ASSISTANT: May I know your airport codes, please?

USER: I am planning to visit Pike Place Market in WA - SEA and my origin from DC - IAD.

ASSISTANT: Thanks for giving your details, we found a flight on your details with airline AA and flight number: 1000. Shall I proceed for booking?

USER: Ok, confirm my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you so much for choosing us. Have a nice day.