You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I would like to visit Denver to meet my sister, please help me in booking a ticket from SFO to DEN.

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: My travel dates are 08/30 and 09/01.

ASSISTANT: Can I have your good name please?

USER: My name is Brian Robinson.

ASSISTANT: Delta airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with flight-1027, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.