You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Nancy Jackson, want to travel from CLT to MSP. Can you please help me?

ASSISTANT: Sure, let me know your specifications.

USER: My budget limit is 1000.

ASSISTANT: Please share your planned trip dates.

USER: My trip dates are from 11/11 to 11/13.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: That's fine, thank you.

ASSISTANT: Thank you for choosing us.