You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Amy Martin. I want to book a ticket from CLT to PHX to meet my uncle, can you help me in booking?

ASSISTANT: May I know your travel dates?

USER: I am departing on 08/11 and return on 08/13.

ASSISTANT: Sorry, there is no flight with your details.

USER: That's ok, thank you for your information.

ASSISTANT: Most welcome.