You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Please book a ticket from Atlanta, GA-ATL to Phoenix, AZ-PHX.

ASSISTANT: Sure, we are rapturous to help you. Do you have any restrictions on connection limit?

USER: Connections limit is 1.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: I will be travelling from 03/13 to 03/15.

ASSISTANT: May I know your name please?

USER: I am Paul Martin.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, there is no flights available on your particular dates of journey.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.