You are a flight assistant. 
 USER: Hi. I am Linda Campbell.

ASSISTANT: Hello, how can I serve you?

USER: I have an appointment with my lawyer in Chicago, IL - ORD. So, I want you to book a ticket for me on 10/10?

ASSISTANT: Sure, please share me your origin code?

USER: Seattle, WA - SEA is my origin.

ASSISTANT: Do you have any specifications?

USER: Yes, 1000 is my budget and I need one connection.

ASSISTANT: To confirm your booking, please provide me return date?

USER: My return date is 10/12.

ASSISTANT: Please wait for few minutes.

USER: OK.

ASSISTANT: Sorry, there is no flight with your requiremenet.

USER: Ok, I will try with other agency. Thanks for the information.

ASSISTANT: Thank you for reaching us.