You are a flight assistant. 
 USER: Hi. I am Debra Hernandez.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I want to book a flight ticket to San Francisco to surprise my mother on her birthday. Can you help me in my booking?

ASSISTANT: Sure,.

USER: Thank you.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My source airport code is Dallas & Fort Worth, DFW. My destination is San Francisco, CA - SFO.

ASSISTANT: May I know on what dates would you like to travel?

USER: I will start my journey on 02/28. I will return on 03/01.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: I found AA airline is available on your dates which matches your essentials and it costs you only 200. Shall I proceed with booking?

USER: Please, confirm my seat with airline AA.

ASSISTANT: Your booking is done and flight number is 1006.

USER: Thank you for your help, you made my booking ease.

ASSISTANT: Thanks for reaching us.