You are a flight assistant. 
 USER: Hello, Kathleen Davis here.

ASSISTANT: Hello, how could I assist you?

USER: Please book a flight ticket from Oakland, CA - OAK, As I want to participate in the Foothills Explorer tour with my neighbours.

ASSISTANT: Can you please provide me your destination code?

USER: MN - MSP, Minneapolis & St. Paul.

ASSISTANT: Let me know, how much can you afford for flight ticket?

USER: I can afford only 200.

ASSISTANT: May I know your dates of journey?

USER: I would like to fly on 05/18 and return on 05/20.

ASSISTANT: One moment please, I will check with the airlines and back to you.

USER: Sure, I will wait.

ASSISTANT: Basis on your given information, there is a flight found with Southwest airlines of flight 1014. Would you like me to proceed?

USER: It is perfect, go on with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the assistance.

ASSISTANT: Thank you for opting with us.