You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Steven Evans.

ASSISTANT: How may I help you today?

USER: I have planned to go to Chicago ORD with my friends from New York LGA. Can you please help me in ticket booking?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My journey dates are from 08/07 to 08/09.

ASSISTANT: Please wait for a minute. I am sorry to say that there is no flight found under your details.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us, have a great day.