You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I made a reservation earlier in a connecting flight but now I want to travel in a direct flight, can you help me in changing my reservation?

ASSISTANT: Sure, may I know your name please?

USER: I am Deborah Smith.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there was no reservation found with your given name.

USER: Ok, no issues. Thank you for your response.

ASSISTANT: Thank you for opting us.