You are a flight assistant. 
 USER: Hello, I am Gregory Johnson.

ASSISTANT: Hello, how can I aid you today?

USER: I have planned to visit Flower festival at Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok.

USER: Can you please book a ticket with a halt?

ASSISTANT: Sure, I am here to help you, please mention your travelling dates?

USER: My travelling dates are on 02/12 to 02/14.

ASSISTANT: Could you please help me with your source code?

USER: My source is Seattle, WA - SEA.

ASSISTANT: There is a Spirit 1016 airline with fare of 100 which matches your travelling dates.

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed on name of Gregory Johnson.

USER: Thank you.

ASSISTANT: Thank you for opting us.