You are a flight assistant. 
 USER: Hello, Nancy Smith here.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to enjoy beach holidays at Seattle, WA-SEA. So I need your help to making my airline reservation.

ASSISTANT: Ok, kindly mention your travelling dates?

USER: My travelling dates are from 10/29 to 10/31.

ASSISTANT: Where are you starting from?

USER: I would like to start from Las Vegas, NV-LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Southwest airline. Shall I proceed for booking?

USER: That's perfect airline for me, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thanks for contacting us.