You are a flight assistant. 
 USER: Hello, I am Ashley Walker. Can you please book me a ticket with the fare of 200?

ASSISTANT: Hello, How can I assist you? Sure, May I know the journey codes?

USER: My airport codes are from DEN to MSP.

ASSISTANT: Please help me with your journey dates.

USER: I would like to leave between 06/07 and 06/09.

ASSISTANT: Please wait a minute. Sorry, No flights found with your preferable dates. Thank you for reaching us.