You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you help me to book a normal cost flight ticket?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My departure and arrival days are Mar 02, Mar 04.

ASSISTANT: Ok, may I know your location airport codes?

USER: My airport codes are MSP and DEN.

ASSISTANT: Could I have your name please?

USER: My name is Anthony Miller.

ASSISTANT: Sorry, there is no flight with your request.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.