You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Emma Hernandez. Can you book a flight ticket with price limit 500?

ASSISTANT: Sure, may I know your journey details?

USER: I want to visit Navy Pier at Chicago. My journey dates are from 05/27 to 05/29.

ASSISTANT: OK, please provide your airport codes.

USER: My airport codes are from ATL to ORD.

ASSISTANT: Pease wait a while.

USER: I need a connection in my journey. Sure, take your time.

ASSISTANT: Thanks for your time, there was  1019 flight of Frontier airline with one connection available on your preferable dates. Shall I proceed?

USER: I am very comfortable with airline Frontier, confirm my ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for being my helping hand.

ASSISTANT: Thanks for opting us.