You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: I am Timothy Wilson. I need a connecting flight with a connecting flight. Can you help me out?

ASSISTANT: Please provide your travelling codes?

USER: My airport codes are from EWR to DFW.

ASSISTANT: Please specify travel dates?

USER: My specified dates are from 11/29 to 12/01.

ASSISTANT: No connecting flight is available.

USER: Ok, No problem.

ASSISTANT: Thanks.

USER: Thank you.