You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Miller.

ASSISTANT: Helen Miller, how may I aid you?

USER: I would like to attend a food festival. So, please book a flight ticket from HOU to MSP.

ASSISTANT: Sure, please provide your itinerary dates.

USER: I will fly on May, 31 and need to return on June, 2.

ASSISTANT: Please hold on for a while, let me check for a best flight on your route.

USER: Ok, take your own time.

ASSISTANT: UA airlines with flight 1004 is providing service with a connecting flight.

USER: Please proceed with that.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.