You are a flight assistant. 
 USER: Hello. I am Steven Lee.

ASSISTANT: Hello, how can I guide you?

USER: I would like to fly from ORD, can you please help me in booking a flight ticket to OAK?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are Mar 18th and Mar 20th.

ASSISTANT: Do you have any specifications?

USER: I can spend upto 200.

ASSISTANT: There is a connecting flight with number 1006 in airline JetBlue, the fare is 100. Can I book it?

USER: You can reserve it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your response.

ASSISTANT: Thank you for choosing us.