You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: I am Emily Allen, I make a plan with my friends to visit South Mountain Park at Phoenix. Can you help me to book a flight from Charlotte?

ASSISTANT: Sure, please provide your travelling airport codes?

USER: I will fly on 01/01 and return on 01/03. My source point is NC-CLT and destination is AZ-PHX.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need a halt in between the journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found a direct flight. Are you comfortable to travel?

USER: No, I need a connecting flight.

ASSISTANT: Sorry, there were no connecting flights available on your requested dates.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, hope to serve you better next time.