You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am planning a trip to MSP on 01/16, so can you please help me in flight ticket booking to reach that locaiton?

ASSISTANT: Sure, I will help you out in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your departure code please?

USER: Sure, I would like to start my trip from OAK location.

ASSISTANT: Can I know your return date please?

USER: I would like to catch return flight on 01/18.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, no problem with that one, thank you for your help.

ASSISTANT: May I know your name please?

USER: My name is Samuel Phillips.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your help.