You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ashley Phillips.

ASSISTANT: How can I help you at this moment?

USER: I would like to meet my friends at St. Paul. Can you help me in booking a ticket from LAS to MSP?

ASSISTANT: Sure, can you please provide your planned dates of journey to proceed further?

USER: My preferred journey dates are 02/21 and 02/23.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Ashley Phillips, there are no flight services available on this route on your provided dates.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for approaching us.