You are a flight assistant. 
 USER: Hello, I am Katherine Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I would like to fly from Charlotte, NC - CLT to Denver CO - DEN to attend a meeting with client. Can you help me with that?

ASSISTANT: Sure. Is there any fare limit you need?

USER: 1000 is my price limit.

ASSISTANT: Ok, please let me know your travel dates.

USER: I am planning to travel on 11/30 and 12/02.

ASSISTANT: Thanks for giving you details.

USER: Ok, thank you for the information.

ASSISTANT: There are no flights available at this moment matching your credentials. Thank you for reaching us.

USER: Thank you.