You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rebecca Wright here.

ASSISTANT: How can I assist you today?

USER: I want to visit Las Vegas, can you please help me to reserve my ticket from SFO to LAS?

ASSISTANT: Sure, I am glad to help you. May I know your travel dates?

USER: Sure, my willing to travel dates are from 01/18 to 01/20.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for your patience. There is a connecting flight is available on your route and airfare is about 100. Shall I proceed further in booking?

USER: Ok, please proceed with this booking.

ASSISTANT: Your ticket has been confirmed for the flight 1000 in UA airlines.

USER: Thank you for your service in booking my ticket.

ASSISTANT: Thank you for reaching us. Have a great day.