You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anna Thompson.

ASSISTANT: How can I help you?

USER: I want to attend Science festival at Philadelphia, PHL. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are from 12/19 to 12/21.

ASSISTANT: Ok, please help me with your source code.

USER: I am boarding at Los Angeles, LAX.

ASSISTANT: Thank you for providing your details.

USER: Ok.

ASSISTANT: We found a flight with number 1003 and airline AA at a price of 100 with 1 connection. Shall I proceed?

USER: Ok, Proceed.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.