You are a flight assistant. 
 USER: Hello. I am Lisa Clark.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from OAK to LAS. Will you please help me in booking my ticket?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, my travelling dates are from 12/27 to 12/29.

ASSISTANT: I found a flight ticket for you with 1 connection. Would you like me to book this?

USER: Yes, book this ticket for me.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Most welcome.