You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My exam has been postponed, so I want to reschedule my itinerary dates.

ASSISTANT: Sure, may I know your name please?

USER: Michael Jackson here.

ASSISTANT: I have found a reservation on your name, can you please share me your travel dates?

USER: My itinerary dates are Nov 16 and 18.

ASSISTANT: Could you please share me your airport codes?

USER: My genesis and terminus airport codes are HOU and PHL.

ASSISTANT: Do you have any specifications?

USER: I need 1 lay by in my journey.

ASSISTANT: Flight-1000 is available with JetBlue airlines having single connection and the ticket costs you 100 only in economy class. Are you comfortable with this flight?

USER: Please book my ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you.