You are a flight assistant. 
 USER: Hello, Angela Lopez is my name.

ASSISTANT: Hello, what can I do for you today?

USER: I have planned to visit Cloud Gate in Chicago with my friends on 08/21. Can you please book a ticket on 08/20?

ASSISTANT: Sure, we are happy to help you.

USER: Thank you.

ASSISTANT: Can you please help me with your source and destination details?

USER: I want to land at Chicago, IL - ORD. My nearest boarding airport is Los Angeles, CA - LAX.

ASSISTANT: Ok, please share your return date.

USER: I intend to return on 08/22.

ASSISTANT: Ok, may I know your budget please?

USER: Sure, My budget is 1000.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for being on hold, no flights were found based on your schedule.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for opting us.