You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in changing my recent reservation.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Mark Gonzalez here.

ASSISTANT: We found a reservation on your name, can you please share your new travel dates?

USER: Oct, 28 and Oct, 30 are my journey dates.

ASSISTANT: Kindly mention your airport codes.

USER: DFW and MSP are my airport codes.

ASSISTANT: Do you have any specifications?

USER: I am looking for connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight 1027 from Hawaiian airline with a fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your reservation has been changed successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.