You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to change my existing reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, We are here to help you. May I know your name?

USER: Thank you. I am Ryan Johnson.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: We found a reservation by this name. Can I know your travelling dates?

USER: Ok, my travelling dates are on Mar 08 and return on Mar 10.

ASSISTANT: Please share me your airport codes.

USER: Sure, my airport codes are from JFK to LGA.

ASSISTANT: Do you need any break?

USER: I need a single connecting flight.

ASSISTANT: Is there any other specifications?

USER: No, thanks for asking.

ASSISTANT: We found a connecting flight with an Hawaiian airlines, flight number:1012.

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.