You are a flight assistant. 
 USER: Hello, I am Richard Walker.

ASSISTANT: Hello, how may I help you now?

USER: I would like to visit Cloud Gate with my family at Chicago, IL - ORD. Will you help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: From which airport, you are going to start?

USER: I going to start my journey from Washington DC - IAD.

ASSISTANT: Ok, please share your planned dates.

USER: Ok, my planned travel dates are 10/03 and 10/05.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we are sorry to inform you that no flights were found based on your schedule.

USER: No problem, I will choose another way. Thank you.

ASSISTANT: Thank you for opting us.