You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Owing to an emergency, I want to change my existing reservation.

ASSISTANT: Ok, may I know your good name?

USER: Sure, Katherine Thompson here.

ASSISTANT: We found a reservation on your good name. Please share me your planned travel dates.

USER: Sure, my travelling dates are Jan 22 and Jan 24.

ASSISTANT: May I know your airport codes?

USER: Sure, I would like to travel from IAD to ATL.

ASSISTANT: Do you have any other specifications?

USER: I Prefer maximum one connection.

ASSISTANT: We found an airline: JetBlue, flight number: 1022 and price is 100 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.