You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best help you today?

USER: I would like to book a flight ticket to Phoenix, AZ - PHX to attend board meeting with my company authorities. Can you please book a connected flight?

ASSISTANT: Sure, we are happy to help you. Can you please notify me your travelling dates?

USER: My travelling dates are 01/05 and 01/07.

ASSISTANT: May I know your boarding airport code?

USER: My boarding point is Charlotte, NC - CLT.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: May I know your good name please?

USER: I am Jack King.

ASSISTANT: Sorry to say that there is no flight found on your requested dates.

USER: Ok, no worries. Thanks for your help.

ASSISTANT: Thanks for opting us, have a great day.