You are a flight assistant. 
 USER: Hi, I am Donna Anderson.

ASSISTANT: Hello, how can I guide you today?

USER: Can you please help me to book a connecting flight from SFO to IAD?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: Could you please forward your travelling dates?

USER: My travelling dates are 12/02 and 12/04.

ASSISTANT: Thanks for your details, we found a connecting flight 1014 in Delta airline with fare 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.