You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket from LAX to MSP to meet my friends.

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: My travelling dates are Apr 3 and Apr 5.

ASSISTANT: May I know your good name please?

USER: I am Jerry Brown.

ASSISTANT: Do you have any other requirements please?

USER: Yes, I prefer normal cost airline.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry Jerry, there is no flight found as per your travelling details.

USER: No worries, thank you for the information.

ASSISTANT: You are welcome.