You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to book a ticket from MCO to MSP, can you please help me out?

ASSISTANT: May I know your travel dates?

USER: I am travelling on these dates May 7th and 9th.

ASSISTANT: Do you have any other concern?

USER: I prefer normal-cost.

ASSISTANT: Is there any other concern?

USER: I don't have any other concerns.

ASSISTANT: May I know your name please?

USER: Kimberly Lewis here.

ASSISTANT: No flights found as per your preferences at the moment.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for choosing us.