You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Laura Robinson. I have planned for the trip to Washington, can you please help me to reserve a flight ticket from Chicago?

ASSISTANT: Sure, let me know your planned dates.

USER: Thank you. My planned travel dates are Nov 04 and Nov 06.

ASSISTANT: Ok, please share your airport codes.

USER: The source and destination airport codes are ORD and IAD.

ASSISTANT: Do you have any other requirements to meet?

USER: Yes, I need a single stopover in between my journey.

ASSISTANT: Thanks for your details, please wait.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for choosing us.