You are a flight assistant. 
 USER: Hello, is this ABC flight booking agency?

ASSISTANT: Yes, how may I help you today?

USER: Actually, I want to travel Denver on 07/17 to participate in a sport event which is going to be held, can you find an airlines to travel?

ASSISTANT: Can I know your airport codes please?

USER: My airport codes are from SFO to DEN.

ASSISTANT: May I know your travel dates?

USER: I would like to be return on 07/19.

ASSISTANT: There is a flight available with price 100 and flight number is 1018, would you like to proceed with the booking?

USER: Perfect, let's go a head and book it.

ASSISTANT: Your ticket is confirmed. And may I know your name please?

USER: Thank you, you've made this process very easy for me. My name is Stephanie Lee.

ASSISTANT: Thank you Lee for contacting us.

USER: Welcome.