You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: Myself Anna Thompson.

ASSISTANT: How may I help you?

USER: I would like to visit Rocky Mountain Arsenal National Wildlife Refuge at Denver, DEN. Can you help me with booking a flight ticket with price within 200?

ASSISTANT: Please mention your journey dates?

USER: I will depart on 11/28 and return back on 11/30.

ASSISTANT: Please specify departure airport code?

USER: I will catch my flight from SEA airport.

ASSISTANT: Please mention connections limit?

USER: I need a connecting flight.

ASSISTANT: Ticket is available with flight number 1018, airline Delta having price 200.

USER: Great, please book it for me.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you. Have a nice day!.