You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nancy Nelson here.

ASSISTANT: How can I help you?

USER: Can you help me to find a flight from ATL to DFW?

ASSISTANT: Ok, may I know your travel dates?

USER: My travelling dates are 11/24 and 11/26.

ASSISTANT: Do you have any preference?

USER: I need flight with fare 200.

ASSISTANT: We found a connecting flight AA with flight number 1017 and fare is 200.

USER: You can proceed.

ASSISTANT: Your booking is confirmed.

USER: Thanks for your help and information.

ASSISTANT:  Thank you for availing us.