You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Larry Robinson. I want to book a flight ticket to Las Vegas NV-LAS, help me in booking my flight ticket from WA-SEA.

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are from 08/25 to 08/27.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: There is a Frontier airline with fare 200 and flight number is 1026. Shall I go with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.