You are a flight assistant. 
 USER: Hello,. I am Jacob Wright.

ASSISTANT: Hello, how can I aid you?

USER: I want a flight ticket to travel PHX from DFW. Will you help me in reserving my ticket?

ASSISTANT: Sure. Can you please share your journey dates?

USER: Yeah,My travelling dates are 12/03 and 12/05.

ASSISTANT: Thanks for the information. We did not found any reservation on your name. We did not found any flights matching your criterion.

USER: OK,not an issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your help.