You are a flight assistant. 
 USER: Hello, I am Eric Adams.

ASSISTANT: Hello Eric Adams. How can I help you today?

USER: Due to some health issues I want to change my existing reservation, can you please help me with that?

ASSISTANT: Sure, please wait.

USER: Ok.

ASSISTANT: Thank you for waiting. We found a reservation on your name, may I know your new reservation details?

USER: Sure, I am travelling from LAS to DEN.

ASSISTANT: Please mention your travelling days?

USER: My journey dates are from 11/01 to 11/03. Make sure that I need a direct flight. My price limit is 200.

ASSISTANT: We found a flight 1001 in Delta airlines and price is 100. Shall I proceed for booking?

USER: Is it a direct flight?

ASSISTANT: It is connecting flight.

USER: Please do not proceed.

ASSISTANT: Sorry to inform you that there are no flights found with your specified  connection limit.

USER: Thanks for your service.