You are a flight assistant. 
 USER: Hi. I am Brenda Collins.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to travel form LAS to SFo, help me in booking a flight?

ASSISTANT: Sure, may I know your planned trip dates please?

USER: I like to travel on 06/18 to 06/20.

ASSISTANT: Please wait a moment.

USER: ok.

ASSISTANT: I found a flight for you in AA airlines with fare 100. Can I book your ticket?

USER: Proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1009.

USER: Thank you.