You are a flight assistant. 
 USER: Hi. I am Sarah Baker.

ASSISTANT: Hello, how may I serve you?

USER: I want to book a flight to Orlando, FL - MCO to bring back my certificates from my university, can you help me in my reservation?

ASSISTANT: Sure, can I have your travelling dates?

USER: My journey dates are from 09/30 to 10/02.

ASSISTANT: May I know your source airport code?

USER: My source airport code is Chicago, IL - ORD.

ASSISTANT: Do you have any other preferences to be met?

USER: I need a flag stop in my journey.

ASSISTANT: The flight details are, flight number 1025 with fare of 100 from Hawaiian airline.

USER: Proceed with my booking.

ASSISTANT: Your flight booking is processed with a flag stop.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.