You are a flight assistant. 
 USER: Hi, I am Jason Carter.

ASSISTANT: Hello, how may I assist you?

USER: I want to go to my hometown Chicago, IL-ORD, can you please book me a ticket from Los Angeles, CA-LAX?

ASSISTANT: Sure, may I know your travel dates?

USER: My journey dates are from 03/27 to 03/29.

ASSISTANT: Do you have any requirements?

USER: My price limit is 1000. I want a single connection.

ASSISTANT: Sorry, there were no flights running from your source.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.