You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Melissa Scott here. Do you have any flight from CLT to PHX?

ASSISTANT: Ok, please mention your travel dates too.

USER: My travelling dates are 06/16 and 06/18. Make sure that connection must be 0.

ASSISTANT: Sorry for the inconvenience, there is no direct flight for you on your preferable dates.

USER: That's fine, thanks for your help and information.

ASSISTANT: Thanks for contacting us.