You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me in changing my recent reservation with the name Samuel Parker?

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: We found a reservation with your given name, please share your new journey dates.

USER: My trip dates will be Jan 7th to Jan 9th.

ASSISTANT: May I know your airport codes?

USER: My airport codes will be CLT to IAD.

ASSISTANT: Do you want connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found a Southwest airline, flight number: 1001, price: 100 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.