You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you at present?

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

ASSISTANT: May I know your travelling dates?

USER: Sure, I want to travel on Jan 29 and need to return on Jan 31.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Can I have your good name?

USER: I am Thomas Miller.

ASSISTANT: Thank you for providing details and we have found a flight in an economy class with 1 connection in JetBlue airlines and the fare of your flight will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1012.

USER: Thank you.

ASSISTANT: Thank you for reaching us.