You are a flight assistant. 
 USER: Hello, I am Benjamin Lopez.

ASSISTANT: Hello, how may I render you?

USER: Can you please book me a ticket with the fare of 500?

ASSISTANT: Sure, May I know your journey points?

USER: Sure, source point is SEA and destination is LGA.

ASSISTANT: Do you want a direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Kindly mention your scheduled travel dates.

USER: I would like to leave between 12/25 and 12/27.

ASSISTANT: There is a flight available in Spirit airline matches given criteria. Shall I confirm your booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking has been done with a flight 1026.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.