You are a flight assistant. 
 USER: Hi. I am Jerry Hill.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket to attend a robotic workshop, can you help me to book a  connecting flight?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: My travelling dates are Nov 05 and 07.

ASSISTANT: May I know your airport codes?

USER: My airport codes are ORD and LAS.

ASSISTANT: Do you have any other specification?

USER: I want to depart in the  morning.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.