You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Christine King.

ASSISTANT: Ok. Tell me how I guide you?

USER: Actually, there is a small change in my journey. Can you help me to change my flight?

ASSISTANT: Ok, tell me your changes in your flight. Can you please tell me your new travelling codes?

USER: My airport codes are SEA to DEN.

ASSISTANT: May I know your new preferable dates?

USER: My travelling dates are 08/07 to 08/09.

ASSISTANT: There is a flight for you with price 200 and flight-1016.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.