You are a flight assistant. 
 USER: Hi. I am Anna Harris.

ASSISTANT: Hello, how may I assist you today?

USER: I need to change my existing reservation, can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time. Thanks for waiting, we found new reservation on your name. Please help me with your journey details.

USER: My source point is SEA to ORD. I would like to travel on 08/12 to 08/14.

ASSISTANT: We found connecting flight 1000 in Jet Blue airline with fare of 100. Shall I proceed to book?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.