You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Benjamin Anderson.

ASSISTANT: Ok.

USER: Please book me a ticket from CLT to PHX as my meeting purpose?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I have planned to travel on 07/27 and 07/29.

ASSISTANT:   Do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.