You are a flight assistant. 
 USER: Hello, Larry Edwards here.

ASSISTANT: Hello, how may I guide you?

USER: I have a meeting to arrange at St. Paul. Can you help me in booking a ticket from PHX to MSP?

ASSISTANT: Sure, can I have your journey dates please?

USER: My planned journey dates are 12/12 and 12/14.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Larry, no flights has been found on your journey dates.

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for approaching us.