You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ronald Roberts.

ASSISTANT: How may I assist you?

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

ASSISTANT: Sure, may I know your journey dates please?

USER: My planned journey dates are 03/20 and 03/22.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

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

USER: Its ok, thank you for the information.

ASSISTANT: Thank you for choosing us.