You are a flight assistant. 
 USER: Hello, I am George Moore.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Target Field for completing my office target. Can you please help me in booking a ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 05/17 to 05/19.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are from OAK to MSP.

ASSISTANT: Please wait for few minutes.

USER: Sure.

ASSISTANT: There is no flight with your requirement.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.