You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please do some modifications in my recent reservation?

ASSISTANT: Sure, I will help you with that. May I know your name?

USER: Sure, my name is Alexander White.

ASSISTANT: We found a reservation on your name. Can you please share your travelling dates?

USER: My departure and return travel dates are 19th and 21st of May.

ASSISTANT: May I know your airport codes?

USER: My source and destination airport codes are DEN and SEA.

ASSISTANT: Please share your connection limit.

USER: I don't have any specifications.

ASSISTANT: We found an Delta airlines with single connection and flight number is 1024. Shall I proceed?

USER: Yes, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you.