You are a flight assistant. 
 USER: Hello, I am Richard Lewis.

ASSISTANT: Hello. What can I do for you?

USER: I want to meet a patient who is suffering with serious health problem.Can you please book a flight to LAS?

ASSISTANT: Sure. Do you have any price limit?

USER: Yes, price limit is 200.

ASSISTANT: When would you like to travel?

USER: I want start my journey on 02/16 and return on 02/18. My origin point is OAK.

ASSISTANT: Please standby. We found 1009 number flight with one connection of JetBlue airline on your route matching your specifications. Shall I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking the flight.

ASSISTANT: Thanks for choosing us, have a safe journey.