You are a flight assistant. 
 USER: Hello. I am Robert Parker.

ASSISTANT: Hello, how may I render you for the day?

USER: I need your assistance in booking a flight ticket to Chicago as I want to attend my colleague's ring ceremony, can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Do you need a break in between the journey?

USER: Yes, I need a break.

ASSISTANT: May I know your depart and arrival dates?

USER: Sure, my depart date is 07/19 and arrival date is 07/21.

ASSISTANT: Can you please provide your airport codes?

USER: Yes, I want to board from MCO to reach ORD.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there were no flights found from your source.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.