You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Timothy Thompson. I am planning to celebrate this Christmas at Washington, can you please help me in booking a single connected flight on 12/24?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off and landing airport codes?

USER: Sure, it's from Dallas & Fort Worth TX-DFW to Washington DC-IAD.

ASSISTANT:  Let me know your return date?

USER: I will back on 12/26.

ASSISTANT: We found Southwest airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Sure, please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1027.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, Have a safe journey!.