You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning a tour in summer season from MSP to PHX, can you help in finding a flight?

ASSISTANT: Sure, can you provide me your travelling details?

USER: My travel dates are 10/10 and 10/12.

ASSISTANT: For booking purpose, may I know your name please?

USER: I am Lisa Martin.

ASSISTANT: Thank you for providing your details Lisa.

USER: Ok.

ASSISTANT: There are no flights with your requirements.

USER: It's ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your help and valuable information.