You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am George Lewis. I want to book a ticket from SEA to DEN to meet my friends, can you please help me that?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I would like to leave between 06/15 and 06/17.

ASSISTANT: Do you need a halt in between your journey?

USER: I need a halt.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Ok, I will wait for your response.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1017 and price is 100.

USER: Ok, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.