You are a flight assistant. 
 USER: Hello. I am Debra Wilson.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to visit OAK to meet my best friend, can you help me to book a flight ticket from ORD?

ASSISTANT: Please share your trip dates.

USER: My planning dates are 14 till 16 of Sep.

ASSISTANT: Do you need any specifications?

USER: I need a break in journey.

ASSISTANT: There is a connecting flight in economy class with Spirit airlines and ticket fare is 100. Shall I proceed?

USER: Please proceed to booking.

ASSISTANT: Your ticket is reserved in flight 1011.

USER: Thanks for helping me.

ASSISTANT: Thank you for choosing us.