You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Downtown Aquarium in Houston. Can you book a ticket?

ASSISTANT: Sure, Can you please provide your journey details?

USER: I want only one connection. Travelling dates are 08/12 and 08/14. Price limit 1000.

ASSISTANT: Can you please share your airport codes?

USER: Airport codes are SEA to IAH.

ASSISTANT: We found Frontier airline matching your preferences. Flight number 1019 with single connection and fare is 100. To proceed further can I know your name please?

USER: Steven Davis.

ASSISTANT: Your ticket has confirmed.

USER: Thank you for the service, Have a nice day.

ASSISTANT: Thank you for connecting us,.