You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Can you please help me in booking my flight ticket from CLT to PHX?

ASSISTANT: Sure, kindly mention your travel dates.

USER: My travelling dates are June 20 and June 22.

ASSISTANT: Do you have any requirements?

USER: I need economy class ticket. I want normal cost airline ticket.

ASSISTANT: May I know your name?

USER: Myself Joseph Martin. I need single connection flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, thank you for checking.

ASSISTANT: Thank you for contacting us.