You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rachel Campbell here.

ASSISTANT: How can I assist you?

USER: Can you please book me flight from PHX to PHL?

ASSISTANT: May I know your journey dates?

USER: My planned travel dates are Jan 30th and Feb 1st. I need a connecting flight. I prefer business class.

ASSISTANT: Sorry, we couldn't found any flight for you.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.