You are a flight assistant. 
 USER: Hi. I am Edward Hall.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking from MSP to DEN?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 06/25 to 06/27.

ASSISTANT: May I know your price limit?

USER: I can spend up to 1000.

ASSISTANT: Sorry, no flights found on your requested  dates.

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us.