You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Jack Walker. I want to travel from JFK to ORD.

ASSISTANT: Ok, may I know your travel dates?

USER: My preferable dates are from 06/28 to 06/30.

ASSISTANT: Frontier airline is available with 1 connection. Do you want me to proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you, have a good day.

ASSISTANT: You are welcome.