You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket from LAS to OAK?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are 20 to 22 of Aug.

ASSISTANT: Do you have specification?

USER: I need a connecting flight.

ASSISTANT: Please provide your name.

USER: I am Sharon Collins.

ASSISTANT: Found ticket with United airlines for price 200 having flight number 1016.

USER: Please proceed to booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.