You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in changing my existing reservation?

ASSISTANT: Sure, can I know your name?

USER: Ok, my name is Samantha Thompson.

ASSISTANT: We found reservation on your name, please provide your airport codes?

USER: Ok, my airport codes are BOS and DTW.

ASSISTANT: May I know your journey dates?

USER: I want to travel on dates Jan 04 and Jan 06.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Delta airlines flight- 1004 of price 100 with connection-1 in economy class matches your given details, shall I proceed?

USER: Yes, please.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.