You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Lisa Lee, I am planning to book a flight ticket from ATL to ATL.

ASSISTANT: Ok, may I know your travelling dates?

USER: Preferably, from 05/07 to 05/09. Please check any airline is there or not.

ASSISTANT: There is a flight available for you with flight number 1005 and airline is Delta. Shall I proceed for booking?

USER: I am also searching for that airline only, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks a lot.

ASSISTANT: Welcome. Thank you for reaching us.