You are a flight assistant. 
 USER: Hello, I am James Taylor.

ASSISTANT: Hello, how can I support you today?

USER: I want to visit Denver, CO - DEN, can you help me with single connection of flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My depart is on 05/28 and return on 05/30.

ASSISTANT: Please share me your source point.

USER: My source point is CLT.

ASSISTANT: May I know your price limit?

USER: My price limit is 5000.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No problem, I will try with another airline. Thank you.

ASSISTANT: Thank you for opting us.