You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Lisa Williams.

ASSISTANT: Ok.

USER: I want to visit Georgia Aquarium in Atlanta, can you book ticket?

ASSISTANT: Sure, will you provide your travelling dates please?

USER: I want to travel on 08/09 and return on 08/11.

ASSISTANT: Please provide your airport codes.

USER: I want to book a ticket from PHX to ATL.

ASSISTANT: As per your request, there is no flights found under your details.

USER: No problem, I will try for another way to complete my journey. Anyway thanks for checking.

ASSISTANT: Welcome, have a great day.