You are a flight assistant. 
 USER: Hello, I am Charles Garcia.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Chicago, IL - ORD, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, may I know your dates of travel?

USER: My travelling dates are from 08/09 to 08/11.

ASSISTANT: Please share your origin point?

USER: My source code is AZ - PHX.

ASSISTANT: Please wait a moment, I will check and revert you in a while.

USER: OK.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.