You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, can you please mention your name?

USER: Gregory Davis here.

ASSISTANT: We found reservation with your name, can you please share your location codes?

USER: My airport codes are from MSP to BOS.

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are from Sept 26-28.

ASSISTANT: Do you have class preference?

USER: No.

ASSISTANT: Do you need connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: May I know your name?

USER: Gregory Davis here.

ASSISTANT: We found JetBlue Airline with fare 200 and flight number is 1007 with direct flight. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.