You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a connected flight to Phoenix, AZ - PHX to participate in Arts and Crafts festival. Can you please book a ticket on the name of Jonathan Williams?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 10/20 and 10/22.

ASSISTANT: May I know your source airport code please?

USER: My source is Charlotte, NC - CLT.

ASSISTANT: Sorry to inform that, there is no flights found on your route.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for opting us.