You are a flight assistant. 
 USER: Hello, I am Susan Robinson.

ASSISTANT: Hello, how may I assist you?

USER: I am planning for summer vacation with my friends so, could you please book a ticket to Seattle, WA-SEA?

ASSISTANT: Sure, may I know your source airport codes?

USER: Source is from Denver, CO-DEN.

ASSISTANT: May I know your travel dates?

USER: My travel dates are 04/25 and 04/27.

ASSISTANT: Do you have any specification?

USER: I need a way station in between journey. My fare should be 500.

ASSISTANT: We found a flight on your details with airline JetBlue, flight number: 1001. Shall I book this ticket?

USER: Please book a my ticket with this flight.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.