You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Ruth Edwards. I want to book a ticket from ATL to PHX to meet my uncle, can you help me in booking?

ASSISTANT: Sure, can you please help me with your travel dates?

USER: I am departing on 09/05 and return on 09/07.

ASSISTANT: Sorry Ruth, there are no flights available on your given travel dates.

USER: That's ok, thank you for opting us.

ASSISTANT: Thank you for choosing us and have a nice day.