You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: Donna Lopez is here.

ASSISTANT: How can I aid you today?

USER: My wish is to go for a trip to MSP from DFW along with my family.

ASSISTANT: Ok.

USER: Will you be my helping hand in making a reservation?

ASSISTANT: Sure, we are glad to assist you.

USER: Thank you.

ASSISTANT: May I know your depart date?

USER: My departure date is 05/28.

ASSISTANT: Do you have any preference?

USER: Price limit is 500.

ASSISTANT: When you want to catch your return flight?

USER: 05/30 is my return date.

ASSISTANT: Thanks for sharing your details.

USER: It's Ok.

ASSISTANT: We found a plane 1021 of UA airline couple of connections. Shall I reserve?

USER: No, do not proceed. Thank you for aiding me.

ASSISTANT: Ok, thank you for reaching us.