You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, can you please mention your name?

USER: Sure, Carol Jones here.

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

USER: My airport codes are from BOS to OAK.

ASSISTANT: Can you please share your travelling dates?

USER: My travelling dates are from Apr 27-29.

ASSISTANT: Do you have class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Do you need connection limit?

USER: I need a connecting flight in my journey.

ASSISTANT: We found United Airline with fare 100 and flight number is 1010 with connecting 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.