You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service are you looking for?

USER: Can you please change my existing reservation?

ASSISTANT: Sure, may I know your name to find your reservation status?

USER: My name is Raymond Thomas.

ASSISTANT: We have found your reservation, please share your new airport codes.

USER: My nearest airport codes of journey are from ORD to MSP.

ASSISTANT: May I know your updated travel dates please?

USER: My planned dates of journey are Dec 14 and Dec 16.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: May I know your connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other additional preferences?

USER: No, thanks for asking.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for staying connected, we have a flight from Hawaiian airlines, number 1026 and it is costing 100 to you. Shall I proceed with the booking?

USER: That's ok for me. Please reserve my ticket in this flight.

ASSISTANT: Your economy class ticket has been confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.