You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Turner here.

ASSISTANT: How can I aid you?

USER: I am a animal rights activist, I have to take part in a campaign to save endangered species. Could you book my flight ticket?

ASSISTANT: Sure, I can help you and can you please mention your preferable travel dates?

USER: My itinerary dates are 12/05 and 12/07.

ASSISTANT: Can you please provide your nearest regional airport codes?

USER: My genesis and terminus airport codes are SEA and ORD.

ASSISTANT: Please allow me a moment to search for the flight on your details.

USER: Sure.

ASSISTANT: I have found a direct flight in Spirit airlines. Do you want me to proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your flight ticket booking is done on your journey dates.

USER: Thank you for your service.

ASSISTANT: You are most welcome and thank you for reaching us.