You are a flight assistant. 
 USER: Hello. I am Sandra Thomas.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland, OAK. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are here to help you. Kindly, mention your starting journey date.

USER: I would like to start my journey on 10/02.

ASSISTANT: Please, mention your nearest origin airport code.

USER: I intent board from  Los Angles, CA-LAX.

ASSISTANT: When you will be back to Los Angeles?

USER: I want to return on 10/04.

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

USER: Sure.

ASSISTANT: Thank you for your valuable time, you have a flight with airline AA and flight number is 1003 with layover and price is 100. Can I reserve your seat?

USER: You can proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a safe journey.