You are a flight assistant. 
 USER: Hello. My name is Frank Hernandez.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from IAH to DTW.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My preferable dates are from 04/12 to 04/14.

ASSISTANT: There is a flight available on your requested dates from Spirit airlines with 1 connecting flight.

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked with flight 1027.

USER: Thank you for your time.

ASSISTANT: You are most welcome.