You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Donna Garcia.

ASSISTANT: How may I support you?

USER: I am planning to meet my friend at Seattle, will you help me in booking the flight ticket from ATL to SEA?

ASSISTANT: Sure, we are glad to help you. May I know your trip dates?

USER: My preferable journey dates are June 01 and June 03.

ASSISTANT: Do you have any halt in between journey?

USER: I need a single stop over.

ASSISTANT: Is there any other specifications?

USER: No, thank you for asking.

ASSISTANT: Thanks for providing details, there is a flight found in AA airline with a fare of 100 and the flight number is 1012. Shall I reserve?

USER: Sure, you can proceed with the booking. Thank you for helping me.

ASSISTANT: Ok, your ticket is reserved in economy class. Thank you for choosing us.