You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Amanda Lewis, here. I want to book a ticket from PHX to CLT to meet my relatives in CLT.

ASSISTANT: Ok, can I know your travelling dates?

USER: I would like to travel on 08/02 to 08/04.

ASSISTANT: Ok, give me a moment. Sorry to say that there is no flight found matching your details.

USER: It's ok, thanks for your help.

ASSISTANT: You are welcome.