You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Ryan Garcia. I was fascinated by the history of city Los Angeles. Can you help me to book a ticket?

ASSISTANT: Sure, can you share the airport codes?

USER: My source airport code is PHL and my destination code is LAX.

ASSISTANT: Please share your exact travel dates.

USER: I will start my journey on 02/14 and my return will be on 02/16.

ASSISTANT: Please give me a while.

USER: Ok.

ASSISTANT: There is a flight available with Southwest airlines having 1 stop, can I continue your booking?

USER: Please proceed.

ASSISTANT: Your booking is done with flight number 1003.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.