You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to visit the Astrakhan's Colorado whiskey tour which is held at Denver, DEN. Can you avail me to book a flight ticket?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: My travel dates are Dec 02 and 04.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I need a flag stop in my journey.

ASSISTANT: May I know your source airport code?

USER: My source is from Oakland, OAK.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer to travel in economy class.

ASSISTANT: May I know your name for the documentation process?

USER: Christine Thomas.

ASSISTANT: Flight-1010 is available in Delta airlines with single connection and the ticket fare is 200. Can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your kind service.

ASSISTANT: Thank you for reaching us.