You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best serve you today?

USER: I am Amanda Hernandez.

ASSISTANT: Thanks for providing your name.

USER: I would like to for a stranahan's colorado whiskey tour at Denver, CO - DEN. Can you please help me to book a ticket from OAK?

ASSISTANT: Sure, can you please share me your journey dates?

USER: I have to depart on 01/05 and return on 01/07.

ASSISTANT: Do you need any other specifications?

USER: I need a flag stop in between.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to notify that there is no flight found on your requested dates.

USER: That's not an issue. Thanks for your valuable information.

ASSISTANT: Thanks for connecting us, have a nice day.