You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I be at your service?

USER: Please book a ticket from Houston, TX-IAH to Seattle, WA-SEA, for festival celebrations.

ASSISTANT: Sure, Please provide your journey dates.

USER: Departure date is 03/23 and 03/25 is my return date.

ASSISTANT: Do you need a flag stop?

USER: Connections limit is 1.

ASSISTANT: Frontier airline with flight number 1027 going on your way and price is 100. May I know your name to proceed?

USER: I'm Lisa Lee.

ASSISTANT: Your booking has been processed.

USER: Thanks.