You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Steven Harris, can you help me to book a flight from SFO to LAS?

ASSISTANT: May I know your desired travel dates please?

USER: Ok, my travel dates are 01/18 and 01/20 respectively.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: Ok, please book.

ASSISTANT: Your ticket is booked, flight number 1000 with Frontier airlines.

USER: Ok, thank you for helping me.

ASSISTANT: Thank you for opting us.