You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help for you?

USER: Carolyn Hill here, I have planned to go Phoenix PHX from San Francisco SFO. Can you book my tickets?

ASSISTANT: Sure, Carolyn Hill, can you please specify the travelling dates?

USER: In 06 month, I want to travel from 06/03 to 06/05.

ASSISTANT: Sure, can you please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry, Carolyn, as per your requirements there is no flights found.

USER: It's OK. Anyways, thank you for your help.

ASSISTANT: Thank you, for your contact with us.